Vyatta
Suite200
1301ShorewayRoad
Belmont,CA94002
vyatta.com
6504137200
1888VYATTA1(USandCanada)
VYATTA,INC. |  VyattaSystem
BGP
REFERENCEGUIDE
COPYRIGHT
Copyright©2005–2012Vyatta,Inc.Allrightsreserved.
Vyattareservestherighttomakechangestosoftware,hardware,anddocumentationwithoutnotice.Forthemostrecentversionof
documentation,visittheVyattawebsiteatvyatta.com.
PROPRIETARYNOTICES
VyattaisaregisteredtrademarkofVyatta,Inc.
Hyper‐VisaregisteredtrademarkofMicrosoftCorporation.
VMware,VMwareESX,andVMwareserveraretrademarksofVMware,Inc.
XenServer,andXenCenteraretrademarksofCitrixSystems,Inc.
Allothertrademarksarethepropertyoftheirrespectiveowners.
RELEASEDATE:October2012
DOCUMENTREVISION.6.5R1
v01
RELEASEDWITH:6.5R1
PARTNO.A0‐0216‐10‐0016
iii
BGP 6.5R1v01 Vyatta
Contents
QuickListofCommands........................................................ xii
ListofExamples ..............................................................xix
Preface. .....................................................................xx

IntendedAudience ................................. .............................................xxi
OrganizationofThisGuide ..................
................................. .....................xxi
DocumentConventions ....... ................... ..................
............... ..............xxiii
VyattaPublicati ons...................
.................................................... ......xxiv
Chapter1BGPConfiguration .................................................... 1
BGPOverview .. ................... ........................................................ ......2
iBGPandeBGP ..............
................................. .................... ............3
iBGP ........................... ........
.................................................3
eBGP 
............... ................... ................. ................................4
BGPIDSelectionProcess...............
.................................... ................. .. .5
BGPPathSelectionProcess.........................................
............................6
ScalabilityofBGP ............. .......
.........................................................7
Confederations ....................... .....................
...............................7
RouteReflection ..................
.................................... ................. .. .8
RouteFlappingandFlapDamping.......................................
............... ........10
ASPaths .........................
............... ................... ................. .......11
BGPCommunities .........................................

..................................12
PeerGroups........... ...
..................................................................13
BGPMultipathSupport ................................
............... ................... .....13
IPv4andIPv6Support.......
............... ................... .................... ...........13
SupportedStandards...................................
..........................................14
ConfiguringBGP.......
..........................................................................14
BasiciBGPConfiguration........................
............... ...............................15
VerifyingtheiBGPConfiguration
............... ................... .............................24
R1:showipbgpsummary.................................
................................24
R1:showipbgp ..............
................................. ..........................25
BasiceBGPConfiguration ......................................
............... ................25
VerifyingtheeBGPConfiguration.. ..............
............... ................... .............27
R1:showip
bgpsummary.................................................................27
R1:showipbgp ..............................
................................. ..........28
OriginatingaRoutetoeBGPNeighbors..
................................. .................... ...28


iv
BGP 6.5R1v01 Vyatta
VerifyingtheRouteOrigination......................................................... .......30
R1:showipbgpsummary............................
.....................................30
R1:showipbgp .........
................................. .................... ...........31
R1:showiproute bgp ............................... 
................................ .....32
R4:showipbgpsummary........
............... ................... .................... ...33
R4:showipbgp ................................. .......
................................. 33
InboundRouteFiltering.. .............
................................. .................... ...34
VerifyingtheInboundFilter .............. ..........................
...........................39
R1:showipbgp ...................
............... .......................................39
R1:showipbgp ................................. ..........
..............................39
R4:showipbgp ................
................................. ........................40
R4:showipbgp ................................. ......
............... ................... 41
OutboundRouteFiltering.............
........................................................41
VerifyingtheOutboundFilter....... ...................................
........................45
AS200:showipbgp ......................

................................. ...............45
AS200:
showipbgp ......................................................................46
Confederations............................
............... ................... ................46
VerifyingtheConfederation............................................................ .......54
R1:showipbgpsummary..........................
.................................... ...54
R1:showipbgp .......
..................................................................55
R2:showipbgpsummary.............................
............... ................... ..56
R2:showipbgp ..........
............... ................... .............................56
R3:showipbgpsummary.................................
................................57
R3:showipbgp ..............
................................. ..........................57
R4:showipbgpsummary....................................
.............................58
R4:showipbgp ............ .....
........................................................58
RouteReflectors................................ ............
.................................59
VerifyingtheRouteReflector.............
.....................................................65
R1:showipbgpsummary..........................................
............... ........65
R1:showipbgp ............ ...........
............... ................... ................66

R2:showipbgpsummary.................................................................66
R2:showipbgp ...........................
................................. .............67
R3:showipbgp
summary................................. ................. ...............67
R3:showipbgp ..............................
...........................................68
R4:showipbgpsummary..
............... ................... .............................69
R4:showipbgp ............ ................... ...
.................................... ...69
RouteRedirection .........
..................................................................70
ConfiguringIPv6RoutingwithBGP....................... ......
............... ................... ..70
EnableForwardingonR1andR2........
............... ................... .....................71
ConfigureIPv6BGPPeer ........................... ................
...........................71
AdvertiseConnectedNetworks ....................
................................. ...........73

v
BGP 6.5R1v01 Vyatta
ConfirmAdvertisedRoutes ............................ ................... .....................73
Chapter2GlobalandRouter‐SpecificConfiguration ................................ 75
GlobalandRouter‐SpecificCommands ...................... ........................................76
monitorprotocolbgpdisable .................. ..............
..................................81
monitorprotocolbgpdisableall............

................................. ...................82
monitorprotocolbgpdisableevents ....................................... .....
................83
monitorprotocolbgpdisablefilters............. .................
............... ................84
monitorprotocolbgpdisablefsm ..............
................................................85
monitorprotocol
bgpdisablekeepalives.................................................. .. .....86
monitorprotocolbgpdisablerib.....................................
..........................87
monitorprotocolbgpdisableupdates....................
.................................... ...88
monitorprotocolbgpenable .......
................................. ..........................89
monitorprotocolbgpenableevents....... .. ...........................
........................90
monitorprotocolbgpenablefilters ..... .................
............... ................... .....91
monitorprotocolbgpenablefsm.......
........................................................92
monitorprotocolbgpenablekeepalives .........................................
................93
monitorprotocolbgpenablerib .... ................... ......
..................................94
monitorprotocolbgpenableupdates ............
.................................... ...........95
protocolsbgp<asn>.
................................. ........................................96
protocolsbgp<asn>address‐familyipv6‐unicast .....................

.............................98
protocolsbgp<asn>address‐familyipv6‐unicastaggregate‐address<ipv6net>............
.............99
protocolsbgp<asn>address‐familyipv6‐unicastnetwork<ipv6net> .................. ..........
....101
protocolsbgp<asn>aggregate‐address<ipv4net> ........... .............................
.......103
protocolsbgp<asn>maximum‐pathsebgp<max‐paths>................ ...................
.......105
protocolsbgp<asn>maximum‐pathsibgp<max‐paths>....................................
.......107
protocolsbgp<asn>network<ipv4net> .......................................
............... ..109
protocolsbgp<asn>parametersalways‐compare‐med .................... ......
............... ..111
protocolsbgp<asn>parametersbestpathas‐path ..........................
............... ......113
protocolsbgp<asn>parametersbestpathcompare‐routerid.......................
............... .115
protocolsbgp<asn>parametersbestpathmed .............................
............... ......117
protocolsbgp<asn>parametersdampening..... ...................
............................119
protocolsbgp<asn>parametersdefault...... ............
............... ................... ....121
protocolsbgp<asn>parametersdeterministic‐med.... ..
............... ................... ......123
protocolsbgp<asn>parametersdistanceglobal....
............... ..............................124
protocolsbgp<asn>parametersdistance

prefix<ipv4net>distance<dist>....... ................... .126
protocolsbgp<asn>parametersdisable‐network‐import‐check...........
............... ..........128
protocolsbgp<asn>parametersenforce‐first‐as..... ..............
............... ...............130
protocolsbgp<asn>parametersgraceful‐restart...............
..................................132
protocolsbgp<asn>parameterslog‐neighbor‐changes .........
..................................134
protocolsbgp<asn>parametersno‐fast‐external‐failover........
............... ..................136

vi
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>parametersrouter‐id<id> ................................... ...............138
protocolsbgp<asn>parametersscan‐time<seconds> ............................. ..........
.....140
protocolsbgp<asn>timers..........................................
.........................142
resetipbgp<address> .....................
.................................................144
reset
ipbgp<address>ipv4unicast ............. ................... ............................146
resetipbgpall.... .. ..........................
............... ..............................148
resetipbgpdampening..
................................ .. ................. .................149
showipbgp ..............................
.................................................150
show

ipbgpattribute‐info .................. .................................................151
showipbgpcidr‐only.........................
...............................................152
showipbgp
community‐info .......... ................... ................... .................153
showipbgpcommunity<community>.............................
............................154
showipbgpcommunity‐list<list‐name>...... ..........
................................. .......155
showipbgpdampened‐paths .....
................................. ..........................156
showipbgpfilter‐list<as‐path‐list‐name> .......................... ......
............... .......157
showipbgpflap‐statistics........................
................................ .. ..........158
showipbgpflap‐statisticscidr‐
only ................... ................... ......................159
showipbgpflap‐statisticsfilter‐list<as‐path‐list‐name>...............................
............160
showipbgpflap‐statisticsprefix‐list<list‐name>..................... .. .......
...................161
showipbgpflap‐statisticsregexp<expr>........... .............
...............................162
showipbgpflap‐statisticsroute‐map<map‐name> ..........
....................................163
showipbgpipv4unicast ..........
................................. ..........................164
showipbgpipv4unicastcidr‐only ................. ..................
..........................165
showipbgpipv4unicastcommunity<community> .................

............... ..............166
showipbgpipv4unicastcommunity‐list<list‐name>............
............... ..................167
showipbgpipv4unicastfilter‐list<as‐path‐list‐name>..... ..
............... ......................168
showipbgpipv4unicastpaths........
............... ................... .................... ..169
showipbgpipv4unicastprefix‐list<list‐name> ................................... ..
.............170
showipbgpipv4unicastregexp<regexp> ..................... .........
........................171
showipbgpipv4unicastroute‐map<map‐name> .................
..............................172
showipbgpipv4unicaststatistics ...............
.................................... ..........173
showipbgpipv4
unicastsummary .......... ................... ................... ............174
showipbgpmemory ...................................
............... ......................175
showipbgppaths .........
............... ................... ................. ..............176
showipbgpprefix‐list<list‐name> .............................
...............................177
showipbgpregexp<regexp> ...............
................................. .................178
showipbgproute‐map<map‐name>...........................................
...............179
showipbgpscan....................... ........
................................ ............180
showiproutebgp ..

............... ................... .................... ..................181
showipv6bgp ..........................
................................. ..................183
showipv6bgpcommunity<community>................... .........................
...........184

vii
BGP 6.5R1v01 Vyatta
showipv6bgpcommunity‐list<list‐name>............ ..........................................185
showipv6bgpfilter‐list<as‐path‐list‐name> ................................
....................186
showipv6bgpprefix‐list<list‐name> .......................
................................. ..187
showipv6bgpregexp<regexp> ...........
....................................................188
showmonitoringprotocolsbgp................................ ............
............... ....189
Chapter3RouteReflection....................................................190
RouteReflectionCommands ................. ................... .................................191
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐reflector‐client.................
.192
protocolsbgp<asn>neighbor<id>route‐reflector‐client ...................... ....................
194
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐reflector‐client .......197
protocolsbgp<asn>peer‐group<group‐name>route ‐reflector‐client............. .....
.............199
protocolsbgp<asn>parameterscluster‐id<id>... ................... .........
............... ....201
protocolsbgp<asn>parametersno‐client‐to‐client‐reflection ..... ..................
...............203

Chapter4Confederations.....................................................205
ConfederationCommands.......................................................................206
protocolsbgp<asn>parametersconfederationidentifier<asn> ......................
..............207
protocolsbgp<asn>parametersconfederationpeers<asn>........................... ..
..........209
Chapter5Neighbors.........................................................211
NeighborCommands ...........................................................................212
protocolsbgp<asn>neighbor<id> ...................
.........................................217
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicast.
....................................219
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastallowas‐in ...
........................220
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastattribute‐unchanged ...............
...222
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastcapabilitydynamic ....................224
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastcapabilityorf .....
....................226
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdefault‐originate ............. .......
..228
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdisable‐send‐community........ .......230
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdistribute‐listexport<access‐list6‐name>.232
protocolsbgp<asn>neighbor
<id>address‐familyipv6‐unicastdistribute‐listimport<access‐list6‐name> .234
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastfilter‐listexport<as‐path‐list‐name> .....236
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastfilter‐listimport<as‐path‐list‐name>..
...238
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastmaximum‐prefix<max‐num> ...........240
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastnexthop‐localunchanged...........

....242
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastnexthop‐self ........... ..............244
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastpeer
‐group<group‐name> ............ .246
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastprefix‐listexport<prefix‐list6‐name> .....248
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastprefix‐listimport<prefix‐list6‐
name>.....250
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastremove‐private‐as ....................252

viii
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐mapexport<map‐name>.........254
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐mapimport<map‐name> .........256
protocolsbgp<asn>neighbor<id>
address‐familyipv6‐unicastsoft‐reconfigurationinbound ...........258
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastunsuppress‐map<map‐name>..........260
protocolsbgp<asn>neighbor<id>advertisement‐interval<seconds> .
............... ...............262
protocolsbgp<asn>neighbor<id>allowas‐in.............
............... ................... ....264
protocolsbgp<asn>neighbor<id>attribute‐unchanged .....
............... ......................266
protocolsbgp<asn>neighbor<id>capabilitydynamic .......
............... ......................268
protocolsbgp<asn>neighbor<id>capabilityorf.......
..........................................270
protocolsbgp<asn>neighbor<id>default‐originate .
................................ .. ..........272
protocolsbgp<asn>neighbor<id>description
<desc> ............................. ...............274

protocolsbgp<asn>neighbor<id>disable‐
capability‐neg otiation.................................. .276
protocolsbgp<asn>neighbor<id>disable‐connected‐check.......
............... .................278
protocolsbgp<asn>neighbor<id>disable‐send‐community ...........
............................280
protocolsbgp<asn>neighbor<id>distribute‐listexport<acl‐num> .............
....................282
protocolsbgp<asn>neighbor<id>distribute‐listimport<acl‐num>.....................
............284
protocolsbgp<asn>neighbor<id>ebgp‐multihop<ttl> ....................... ........
............286
protocolsbgp<asn>neighbor<id>filter‐listexport<as‐path‐list‐name>...................... ....
...288
protocolsbgp<asn>neighbor<id>filter‐listimport<as‐path‐list‐name> ....................... .. ....290
protocolsbgp<asn>neighbor<id>local‐as
<asn> ................................................292
protocolsbgp
<asn>neighbor<id>maximum‐prefix<max‐num>...................................294
protocolsbgp<asn>neighbor<id>nexthop‐self.
................................. ...............296
protocolsbgp
<asn>neighbor<id>override‐capability ............................................298
protocolsbgp
<asn>neighbor<id>passive.......................................... .. ..........300
protocolsbgp<asn>neighbor<id>password<pwd> .... ................... .............
.........302
protocolsbgp<asn>neighbor<id>peer‐group<group‐name> ................................
.....304
protocolsbgp<asn>neighbor<id>port<port‐num> ............................... ......

........306
protocolsbgp<asn>neighbor<id>prefix‐listexport<list‐name> ................................
...308
protocolsbgp<asn>neighbor<id>prefix‐listimport<list‐name>...................................310
protocolsbgp
<asn>neighbor<id>remote‐as<asn>....................... .......................312
protocolsbgp<asn>neighbor<id>remove‐private‐as........................ .................
...314
protocolsbgp<asn>neighbor<id>route‐mapexport<map‐name> .................................316
protocolsbgp<asn>neighbor<id>
route‐mapimport<map‐name>..................... ............318
protocolsbgp<asn>neighbor<id>shutdown .......
............................................320
protocolsbgp<asn>neighbor<id>soft
‐reconfigurationinbound...................................322
protocolsbgp<asn>neighbor<id>strict‐capability‐match......
................................. ..324
protocolsbgp<asn>neighbor<id>timers .........
................................. ............326
protocolsbgp<asn>neighbor<id>
ttl‐securityhops<hops> ..................... ..................328
protocolsbgp<asn>neighbor<id>unsuppress‐map
<map‐name> ............................ ......330
protocolsbgp<asn>neighbor<id>update‐source<source> .......
................................332
protocolsbgp<asn>neighbor<id>weight<weight>............
................................. .334

ix
BGP 6.5R1v01 Vyatta

resetipbgpexternal........................................................................336
resetipbgpexternalipv4unicast....... .............
................................. .........338
showipbgpipv4unicastneighbors ...
.........................................................340
showipbgpipv4unicastneighbors<id>advertised‐routes ...................... ............
......341
showipbgpipv4unicastneighbors<id>prefix‐counts... ................... .............
.........342
showipbgpipv4unicastneighbors<id>receivedprefix‐filter .................... ............
......343
showipbgpipv4unicastneighbors<id>received‐routes ......................... .. .........
......344
showipbgpipv4unicastneighbors<id>routes .....................................
.............345
showipbgpneighbors... ...............................
............... ......................346
showipbgpneighbors<id>advertised‐routes .......
................................ .. ..........347
showipbgpneighbors<id>dampened‐
routes...................................................348
showipbgpneighbors<id>flap‐statistics......................... ...................
...........349
showipbgpneighbors<id>prefix‐co unts..... ............................
......................350
showipbgpneighbors<id>receivedprefix‐filter.....................
............................351
showipbgpneighbors<id>received‐routes................
................................. ....352
showipbgpneighbors<id>routes .......

................................. ....................353
showipv6bgpneighbors............................................
............... ..........354
showipv6bgpneighbors<ipv6>advertised‐routes ...................
............................355
showipv6bgpneighbors<ipv6>received‐routes .. .. ...........
............... ..................356
showipv6bgpneighbors<ipv6>routes ...........
............... ..............................357
Chapter6PeerGroups ....................................................... 358
PeerGroupCommands........................... ...............................................359
protocolsbgp<asn>peer‐group<group‐name> ..................
...............................363
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicast .........
.................365
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastallowas‐in.................366
protocolsbgp<asn>
peer‐group<group‐name>address‐familyipv6‐unicastattribute‐unchanged........368
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastcapabilitydynamic .........370
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicast
capabilityorf..............372
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdefault‐originate ...........374
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐
unicastdisable‐send‐community ....376
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdistribute‐listexport
<access‐list6‐name> ............ .............
...............................................378
protocolsbgp<asn>
peer‐group<group‐name>address‐familyipv6‐unicastdistribute‐listimport
<access‐list6‐name> ............ .........................

................................. ..380
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastfilter‐listexport<as
‐path‐list‐name>
382
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastfilter‐listimport
<as‐path‐list‐name>..............................
............... ................... .........384
protocolsbgp<asn>peer‐group<group‐name>
address‐familyipv6‐unicastmaximum‐prefix<max‐num>.386
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastnexthop‐localunchanged ....388

x
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastnexthop‐self...............390
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastprefix‐listexport
<prefix‐list6‐name>......
............... ................... .................................392
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastprefix‐listimport
<prefix‐list6‐name>.................
................................. .......................394
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastremove‐pr ivate‐as..........396
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐mapexport<map‐name> ..
398
protocolsbgp<asn>
peer‐group<group‐name>address‐familyipv6‐unicastroute‐mapimp or t<map‐name>..
400
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastsoft‐reconfigurationinbound.402
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastunsuppress‐map<map‐name>404
protocolsbgp<asn>peer‐group
<group‐name>allowas‐in ....................................... .406

protocolsbgp<asn>peer‐group<group‐
name>attribute‐unchanged ...............................408
protocolsbgp<asn>peer‐group<group‐name>capabilitydynamic.......
..........................410
protocolsbgp<asn>peer‐group<group‐name>capabilityorf ..... ...........
............... .......412
protocolsbgp<asn>peer‐group<group‐name>default‐originate....................
...............414
protocolsbgp<asn>peer‐group<group‐name>description<desc>............. .............
.......416
protocolsbgp<asn>peer‐group<group‐name>disable‐capability‐negotiation............ ............418
protocolsbgp<asn>peer‐group<group‐name>disable‐connected‐check .
...........................420
protocolsbgp<asn>peer‐group<group‐name>disable‐send‐community ..............
..............422
protocolsbgp<asn>peer‐group<group‐name>distribute‐listexport<acl‐num>......................424
protocols
bgp<asn>peer‐group<group‐name>distribute‐listimport<acl‐num> ......................426
protocolsbgp<asn>peer‐group<group‐name>ebgp‐multihop <ttl> .........
.......................428
protocolsbgp<asn>peer‐group<group‐name>filter‐listexport<as‐path‐list‐name> .............
.....430
protocolsbgp<asn>peer‐group<group‐name>filter‐listimport<as‐path‐list‐name>................ ..432
protocolsbgp<asn>peer‐group<group‐name>local‐as<asn>...
................................. .434
protocolsbgp<asn>peer‐group<group‐name>maximum‐prefix<max‐num> .....
...................436
protocolsbgp<asn>peer‐group<group‐name>nexthop‐self ......................
................438
protocolsbgp<asn>peer‐group<group‐name>override‐capability.........................

........440
protocolsbgp<asn>peer‐group<group‐name>passive .................... ...............
........442
protocolsbgp<asn>peer‐group<group‐name>password<pwd>.................... ..............
.444
protocolsbgp<asn>peer‐group<group‐name>prefix ‐listexport<list‐name> ........................446
protocolsbgp<asn>peer‐group<group‐name>prefix ‐listimport<list‐name> 
............... .........448
protocolsbgp<asn>peer‐group<group‐name>remote‐as<asn> .................
..................450
protocolsbgp<asn>peer‐group<group‐name>remove ‐private‐as ......................
...........452
protocolsbgp<asn>peer‐group<group‐name>route ‐mapexport <map‐name>............... .......454
protocolsbgp<asn>peer‐group
<group‐name>route‐mapimport<map‐name> ......................456
protocolsbgp<asn>peer‐group<group‐name>shutdown ..............
..........................458
protocolsbgp<asn>peer‐group<group‐name>soft‐reconfigurationinbound ..............
..........460
protocolsbgp<asn>peer‐group<group‐name>ttl‐securityhops<hops> ............................462

xi
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>peer‐group<group‐name>unsuppress ‐map<map‐name>.......................464
protocolsbgp<asn>peer‐group<group‐name>update‐source<source> ......
............... .......466
protocolsbgp<asn>peer‐group<group‐name>weight<weight> ....................
...............468
resetipbgppeer‐group<group‐name>.............................
............................470

resetipbgppeer‐group<group‐name>ipv4unicast ..............
............... .................472
Chapter7RouteRedistribution ................................................474
RouteRedistributionCommands......................... .........................................475
protocolsbgp<asn>address‐familyipv6‐unicastredistributeconnected ...................... ...
....476
protocolsbgp<asn>address‐familyipv6‐unicastredistributekernel .................... ............478
protocolsbgp<asn>address‐
familyipv6‐unicastredistributeospfv3 ................................480
protocolsbgp<asn>address‐familyipv6‐unicastredistributeripng ....
............... ..............482
protocolsbgp<asn>address‐familyipv6‐unicastredistributestatic ............
............... ......484
protocolsbgp<asn>redistributeconnected......................... 
............................486
protocolsbgp<asn>redistributekernel .................
.......................................488
protocolsbgp<asn>redistributeospf .......
............... ................... .................490
protocolsbgp<asn>redistributerip .............................................
..............492
protocolsbgp<asn>redistributestatic ................... .............
.........................494
Chapter8RouteServer ....................................................... 496
RouteServerCommands ............................ ............................................497
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐server‐client..............
......498
protocolsbgp<asn>neighbor<id>route‐server‐client ........................... ..........
.......500
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐server‐client .........502

protocolsbgp<asn>peer‐group<group‐name>route ‐server‐client.........
............... .........504
showipbgpipv4unicastrsclientsummary....................
..................................506
showipbgprsclient<address> ............
................................ .. ................. .507
GlossaryofAcronyms......................................................... 508
xii
BGP 6.5R1v01 Vyatta
QuickListofCommands
Use this list to help you quickly locate commands.
monitorprotocolbgpdisabl eall ......................... ................... .................... ...82
monitorprotocolbgpdisabl eevents........... ..............
.................................... ...83
monitorprotocolbgpdisabl efilters ......
..........................................................84
monitorprotocolbgpdisabl efsm.....................................
.............................85
monitorprotocolbgpdisabl ekeepalives ................
............... ................... ..........86
monitorprotocolbgpdisabl erib ..
............... ................... .................... ...........87
monitorprotocolbgpdisabl eupdates ...............................
...............................88
monitorprotocolbgpdisabl e ................
................................. .....................81
monitorprotocolbgpenableevents ..........................................
............... .......90
monitorprotocolbgpenablefilters........................
............... ................... .......91

monitorprotocolbgpenablefsm ....
............... ...............................................92
monitorprotocolbgpenablekeepalives.. .................................
..........................93
monitorprotocolbgpenablerib ...................
................................. ...............94
monitorprotocol
bgpenableupdates............... ................... .............................95
monitorprotocolbgpenable...............................
............... ................... .....89
protocolsbgp<asn>address‐familyipv6‐unicastaggregate‐address<ipv6net> .
...........................99
protocolsbgp<asn>address‐familyipv6‐unicastnetwork<ipv6net>..............
............... .......101
protocolsbgp<asn>address‐familyipv6‐unicastredistributeconnected....................
.............476
protocolsbgp<asn>address‐familyipv6‐unicastredistributekernel ............................
........478
protocolsbgp<asn>address‐familyipv6‐unicastredistributeospfv3 ..... .............................
..480
protocolsbgp<asn>address‐familyipv6‐unicastredistributeripng ......................... ............482
protocolsbgp
<asn>address‐familyipv6‐unicastredistributestatic.....................................484
protocolsbgp<asn>address‐familyipv6
‐unicast........................... ...........................98
protocolsbgp<asn>aggregate‐address<ipv4net>................. .......................
...........103
protocolsbgp<asn>maximum‐pathsebgp<max‐paths>................................
..............105
protocolsbgp<asn>maximum‐pathsibgp<max‐paths> ....................... .....

..................107
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastallowas‐in..... ................
..........220
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastattribute‐unchanged ............... .......222
protocolsbgp<asn>neighbor<id>address‐family
ipv6‐unicastcapabilitydynamic........................224
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastcapabilityorf............
.................226
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdefault‐originate... ................... .
...228
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdisable‐send‐community ...................230

xiii
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdistribute‐listexport<access‐list6‐name> .....232
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastdistribute‐listimport<access‐list6‐name>.....234
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastfilter‐listexport
<as‐path‐list‐name>.........236
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastfilter‐listimport<as‐path‐list‐name> .........238
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastmaximum‐prefix<max‐
num>...............240
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastnexthop‐localunchanged ..................242
protocolsbgp<asn>neighbor
<id>address‐familyipv6‐unicastnexthop‐self............................ .244
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastpeer‐group<group‐name> .
................246
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastprefix‐listexport<prefix‐list6‐name>....... ..248
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastprefix‐
listimport<prefix‐list6‐name> ........250
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastremove‐private‐as......... ...............252

protocols
bgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐mapexport<map‐name> .............254
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐mapimport<map‐name>............
.256
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐reflector‐client ......................192
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastroute‐server‐client ....
....................498
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicastsoft‐reconfigurationinbound...............258
protocolsbgp<asn>
neighbor<id>address‐familyipv6‐unicastunsuppress‐map<map‐name> ..............260
protocolsbgp<asn>neighbor<id>address‐familyipv6‐unicast ..................
......................219
protocolsbgp<asn>neighbor<id>advertisement‐interval<seconds>.....................
..............262
protocolsbgp<asn>neighbor<id>allowas‐in ..............................
.........................264
protocolsbgp<asn>neighbor<id>attribute‐unchanged ...................
...........................266
protocolsbgp<asn>neighbor<id>capabilitydynamic .................
...............................268
protocolsbgp<asn>neighbor<id>capabilityorf ............
................................. .......270
protocolsbgp<asn>neighbor<id>default‐originate ...
.................................... ..........272
protocolsbgp<asn>neighbor
<id>description<desc>................................................274
protocolsbgp<asn>neighbor<id>disable‐capability‐negotiation ....................... ...............276
protocolsbgp<asn>neighbor
<id>disable‐connected‐check ........................................ ..278
protocolsbgp<asn>neighbor

<id>disable‐send‐community.......... .................................280
protocolsbgp<asn>neighbor
<id>distribute‐listexport<acl‐num>.....................................282
protocolsbgp<asn>neighbor<id>distribute‐listimport
<acl‐num>.....................................284
protocolsbgp<asn>neighbor<id>ebgp‐multihop<ttl>.....
................................. .........286
protocolsbgp<asn>neighbor<id>filter‐listexport
<as‐path‐list‐name> .................................288
protocolsbgp<asn>neighbor<id>filter‐listimport<as‐path‐list‐name>...
..............................290
protocolsbgp<asn>neighbor<id>local‐as<asn>........... ..
................................. ......292
protocolsbgp<asn>neighbor<id>maximum‐prefix<max‐num> ...
....................................294
protocolsbgp<asn>neighbor<id>nexthop‐self ........
................................. ............296

xiv
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>neighbor<id>override‐capability................. ................... ............298
protocolsbgp<asn>neighbor<id>passive ..................... .. ..................
................300
protocolsbgp<asn>neighbor<id>password<pwd>...........................
......................302
protocolsbgp<asn>neighbor<id>peer‐group<group‐name> ....................
.....................304
protocolsbgp<asn>neighbor<id>port<port‐num> .....................
............................306
protocolsbgp<asn>neighbor<id>prefix‐listexport<list‐name>............

...........................308
protocolsbgp<asn>neighbor<id>prefix‐listimport<list‐name> ..............
.........................310
protocolsbgp<asn>neighbor<id>remote‐as<asn> .................
................................312
protocolsbgp<asn>neighbor<id>remove‐private‐as .. .. .......
................................. ....314
protocolsbgp<asn>neighbor<id>route‐mapexport<map‐name>....
.................................316
protocolsbgp<asn>neighbor<id>route‐mapimport<map‐name> .......
.............................318
protocolsbgp<asn>neighbor<id>route‐reflector‐client..............
................................194
protocolsbgp<asn>neighbor<id>route‐server‐client...........
................................. ....500
protocolsbgp<asn>neighbor<id>shutdown.......
................................. ...............320
protocolsbgp
<asn>neighbor<id>soft‐reconfigurationinbound .......................................322
protocolsbgp<asn>neighbor<id>strict
‐capability‐match .. ................... .......................324
protocolsbgp<asn>neighbor
<id>timers...................... ....................................326
protocolsbgp<asn>neighbor<id>ttl‐securityhops<hops> ...............................
............328
protocolsbgp<asn>neighbor<id>unsuppress‐map<map‐name>............. .................
........330
protocolsbgp<asn>neighbor<id>update‐source<source>..................... .. ...........
.........332
protocolsbgp<asn>neighbor<id>weight<weight> ..................................

...............334
protocolsbgp<asn>neighbor<id>..............................
..................................217
protocolsbgp<asn>network<ipv4net>.. ..........
............... ................... ..............109
protocolsbgp
<asn>parametersalways‐compare‐med... ................... .........................111
protocolsbgp<asn>parametersbestpathas‐path.. ................... .....................
.........113
protocolsbgp<asn>parametersbestpathcompare‐routerid ...... .. ..........................
........115
protocolsbgp<asn>parametersbestpathmed................ .....................
.................117
protocolsbgp<asn>parameterscluster‐id<id> ..........................
...........................201
protocolsbgp<asn>parametersconfederationidentifier<asn> .................
.......................207
protocolsbgp<asn>parametersconfederationpeers<asn> .....................
......................209
protocolsbgp<asn>parametersdampening ........................
................................119
protocolsbgp<asn>parametersdefault .............
.................................... ..........121
protocolsbgp<asn>parameters
deterministic‐med ..................................................123
protocolsbgp<asn>parametersdisable‐network‐import‐check ........................................128
protocolsbgp
<asn>parametersdistanceglobal .....................................................124
protocolsbgp<asn>parametersdistanceprefix<ipv4net>distance<dist> ...............................126


xv
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>parametersenforce‐first‐as ....................................................130
protocolsbgp<asn>parametersgraceful‐restart ....................................
................132
protocolsbgp<asn>parameterslog‐neighbor‐changes...........................
....................134
protocolsbgp<asn>parametersno‐client‐to‐client‐reflection .....................
....................203
protocolsbgp<asn>parametersno‐fast‐external‐failover .......................
......................136
protocolsbgp<asn>parametersrouter‐id<id>......................
................................138
protocolsbgp<asn>parametersscan‐time<seconds> ............
....................................140
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastallowas‐in .
...................366
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastattribute‐unchanged ...........368
protocolsbgp<asn>peer‐group<group‐
name>address‐familyipv6‐unicastcapabilitydynamic .............370
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastcapabilityorf ..................
372
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdefault‐originate ...............374
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdisable‐send‐community........376
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdistribute‐listexport<access‐list6‐
name>................................. ..
................................. ....................378
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastdistribute‐listimport<access‐list6‐
name>...............................
............... ................... ................. ......380

protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastfilter‐listexport<as‐path‐list‐name> ..
382
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastfilter‐listimport<as‐path‐list‐name>..
384
protocolsbgp<asn>
peer‐group<group‐name>address‐familyipv6‐unicastmaximum‐prefix<max‐num> ....386
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastnexthop‐localunchanged........388
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastnexthop‐
self ..................390
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastprefix‐listexport<prefix‐list6‐name> ..
392
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastprefix‐list
import<prefix‐list6‐name>.. 
394
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastremove‐private‐as .............396
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐mapexport<map‐name>.
.398
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐mapimport<map‐name> ..400
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastroute‐reflector‐client...........197
protocolsbgp<asn>peer‐group<group‐
name>address‐familyipv6‐unicastroute‐server‐client.............502
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicastsoft‐reconfigurationinbound ....402
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicast
unsuppress‐map<map‐name>...404
protocolsbgp<asn>peer‐group<group‐name>address‐familyipv6‐unicast .............................365
protocolsbgp
<asn>peer‐group<group‐name>allowas‐in.......................................... ..406

xvi
BGP 6.5R1v01 Vyatta

protocolsbgp<asn>peer‐group<group‐name>attribute‐unchanged...................................408
protocolsbgp<asn>peer‐group<group‐
name>capabilitydynamic ........................... ..........410
protocolsbgp<asn>peer‐group<group‐name>capabilityorf...
.......................................412
protocolsbgp<asn>peer‐group<group‐name>default‐originate ..
................................ .. ..414
protocolsbgp<asn>peer‐group<group‐name>description<desc> ......
...............................416
protocolsbgp<asn>peer‐group<group‐name>disable‐capability‐negotiation .........
..................418
protocolsbgp<asn>peer‐group<group‐name>disable‐connected‐check.......................
.........420
protocolsbgp<asn>peer‐group<group‐name>disable‐send‐community ...................... ..........
422
protocolsbgp<asn>peer‐group<group‐name>distribute‐listexport<acl‐num> ......... .................424
protocolsbgp<asn>peer‐group<group‐name>distribute‐listimport<acl‐num>..
........................426
protocolsbgp<asn>peer‐group<group‐name>ebgp‐multihop <ttl> .................
...................428
protocolsbgp<asn>peer‐group<group‐name>filter‐listexport<as‐path‐list‐name>............ .....
.....430
protocolsbgp<asn>peer‐group<group‐name>filter‐listimport<as‐path‐list‐name> ......................432
protocolsbgp<asn>peer‐group<group‐name>local‐as
<asn> ............................... ..........434
protocolsbgp<asn>peer‐group<group‐name>maximum‐prefix
<max‐num>............................436
protocolsbgp<asn>peer‐group<group‐name>nexthop‐self...........
...............................438
protocolsbgp<asn>peer‐group<group‐name>override‐capability ...........

..........................440
protocolsbgp<asn>peer‐group<group‐name>passive.................
............... ...............442
protocolsbgp<asn>peer‐group<group‐name>password<pwd> ...........
............... ............444
protocolsbgp<asn>peer‐group<group‐name>prefix ‐listexport<list‐name>...........
............... ..446
protocolsbgp<asn>peer‐group<group‐name>prefix ‐listimport<list‐name>.....................
.......448
protocolsbgp<asn>peer‐group<group‐name>remote‐as<asn>..................................
.....450
protocolsbgp<asn>peer‐group<group‐name>remove ‐private‐as........... ........................
..452
protocolsbgp<asn>peer‐group<group‐name>route ‐mapexport <map‐name> ..........................454
protocolsbgp<asn>peer‐group<group‐name>route ‐mapimport<map
‐name>...................... .. ..456
protocolsbgp<asn>peer‐group<group‐name>route ‐reflector‐client ...............
....................199
protocolsbgp<asn>peer‐group<group‐name>route ‐server‐client .....................
................504
protocolsbgp<asn>peer‐group<group‐name>shutdown ............. .............
..................458
protocolsbgp<asn>peer‐group<group‐name>soft‐reconfigurationinbound......................
......460
protocolsbgp<asn>peer‐group<group‐name>ttl‐securityhops<hops> ......................... .......462
protocolsbgp<asn>peer‐group<group‐name>unsuppress ‐map<map‐name> ...........................464
protocolsbgp<asn>peer‐group<group‐name>update‐source<source>.. .
............... ..............466
protocolsbgp<asn>peer‐group<group‐name>weight<weight>.............
..........................468

protocolsbgp<asn>peer‐group<group‐name> .............. ...
................................ .. ..363
protocolsbgp<asn>redistributeconnected . ........
...............................................486
protocolsbgp<asn>
redistributekernel .............. ..............................................488

xvii
BGP 6.5R1v01 Vyatta
protocolsbgp<asn>redistributeospf............. ................... .................... ..........490
protocolsbgp<asn>redistributerip... ................... ........
.................................492
protocolsbgp<asn>redistributestatic....... .. ....
................................. ...............494
protocolsbgp
<asn>timers ............................. .. .......................................142
protocolsbgp<asn> .........................
............... ................... ..................96
resetipbgp<address>ipv4unicast....................................... .....
....................146
resetipbgp<address> ..........................
................................. ...............144
resetip
bgpall .......... ................... ................... .................................148
resetipbgpdampening ..............
............... ................... .........................149
resetipbgpexternalipv4unicast ....................................
.............................338
resetipbgpexternal ..................
................................. .........................336

resetipbgppeer‐group<group‐name>ipv4unicast........................... .......
............... .472
resetipbgppeer‐group<group‐name> ...........................
............... ..................470
showipbgpattribute‐info ............
............... ................... .........................151
showipbgpcidr‐only .......................... ...........
......................................152
showipbgpcommunity<community> ........
................................. ....................154
showipbgpcommunity‐info..........................................
............... ............153
showipbgpcommunity‐list<list‐name> ................
............... ................... .........155
showipbgpdampened‐paths ..
.................................................... ..............156
showipbgpfilter‐list<as‐path‐list‐name>..........................
................................157
showipbgpflap‐statisticscidr‐only............
....................................................159
showipbgpflap‐statisticsfilter‐list<as‐path‐list‐name> .....................................
.........160
showipbgpflap‐statisticsprefix‐list<list‐name> .............. ..................
....................161
showipbgpflap‐statisticsregexp<expr> ....................... .
............... ................... .162
showipbgpflap‐statisticsroute‐map<map‐name>......
................................ .. ..........163
showipbgpflap‐statistics .
............... ................... ....................................158

showipbgpipv4unicastcidr‐only....... ..................
................................. .......165
showipbgpipv4unicastcommunity<community> ...
................................. ..............166
showipbgp
ipv4unicastcommunity‐list<list‐name> .................................................167
showipbgpipv4unicastfilter‐list<as‐path‐list‐name> ...................................
............168
showipbgpipv4unicastneighbors<id>advertised‐routes ..............................
..............341
showipbgpipv4unicastneighbors<id>prefix‐counts ....... .. ...................
....................342
showipbgpipv4unicastneighbors<id>receivedprefix‐filter .....................
............... ......343
showipbgpipv4unicastneighbors<id>received‐routes........ .............
............... ..........344
showipbgpipv4unicastneighbors<id>routes..................
................................ .. ..345
showipbgpipv4unicastneighbors.........
.......................................................340

xviii
BGP 6.5R1v01 Vyatta
showipbgpipv4unicastpaths ...................................................................169
showipbgpipv4unicastprefix‐list<list‐name>.. ..................
................................. .170
showipbgpipv4unicastregexp<regexp> ..........
................................. ...............171
showip
bgpipv4unicastroute‐map<map‐name> ....................................... .. ..........172

showipbgpipv4unicastrsclientsummary .. ................... ..............
............... .......506
showipbgpipv4unicaststatistics. ......................
..........................................173
showipbgpipv4unicastsummary..
............... ................... ............................174
showipbgpipv4unicast...................................
.................................... ..164
showipbgpmemory.........
................................. ..................................175
showipbgpneighbors<id>advertised‐routes........................... 
............................347
showipbgpneighbors<id>dampened‐routes ...............
.......................................348
showipbgpneighbors<id>flap‐statistics ....
............... ................... ....................349
showipbgpneighbors<id>prefix‐co unts ................. ................... ....
..................350
showipbgpneighbors<id>receivedprefix‐filter ........................
............................351
showipbgpneighbors<id>received‐routes ...............
.........................................352
showipbgpneighbors<id>routes...
................................. ............................353
showipbgpneighbors ...................................
.......................................346
showipbgppaths.......
.......................................................................176
showipbgpprefix‐list<list‐name> ...................... .
.........................................177

showipbgpregexp<regexp>.....
................................. ...............................178
showipbgproute‐map<map‐name> ..............................
............... .................179
showipbgprsclient<address> .............
............... ................... ................. ...507
showipbgpscan ............................. ...............
................................. ..180
showipbgp............
................................. .................... ..................150
showiproutebgp............ .............
............... ......................................181
showipv6bgpcommunity<community> ............................................
...............184
showipv6bgpcommunity‐list<list‐name> ............................
.............................185
showipv6bgpfilter‐list<as‐path‐list‐name> ............
............................................186
showipv6bgpneighbors<ipv6>advertised
‐routes................................. ..................355
showipv6bgpneighbors<ipv6>received‐routes ..........................................
..........356
showipv6bgpneighbors<ipv6>routes..................................
..........................357
showipv6bgpneighbors ................. ...
................................ .. ................. .354
showipv6bgpprefix‐list<list‐name> ..........................................
....................187
showipv6bgpregexp<regexp>..........................
.........................................188

showipv6bgp ......
................................. ..........................................183
showmonitoringprotocolsbgp ......................
............... ..............................189
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ListofExamples
Use this list to help you locate examples you’d like to look at or try.
Example1‐4VerifyingiBGPonR1:“showipbgp”.....................................................25
Example1‐7VerifyingeBGPonR1:“showipbgp”...............................
.....................28
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BGP 6.5R1v01 Vyatta
Preface
This document describes the various deployment, installation, and upgrade options
for Vyatta software.
This preface provides information about using this guide. The following topics are
presented:
• Intended Audience
• Organization of This Guide
• Document Conventions
• Vyatta Publications
 IntendedAudience
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IntendedAudience
This guide is intended for experienced system and network administrators.
Depending on the functionality to be used, readers should have specific knowledge
in the following areas:
• Networking and data communications

• TCP/IP protocols
• General router configuration
• Routing protocols
• Network administration
• Network security
• IP services
OrganizationofThisGuide
This guide has the following aid to help you find the information you are looking for:
• Quick List of Commands
Use this list to help you quickly locate commands.
• List of Examples
Use this list to help you locate examples you’d like to try or look at.
This guide has the following chapters:
Chapter Description Page
Chapter 1:BGPConfiguration Thischapterdescribeshowtoconfigurethe
BorderGatewayProtocolontheVyatta
System.
1
Chapter 2:GlobalandRouter‐Specific
Configuration
Thischapterdescribescommandsforglobal
androuter‐specificconfigurationforBGP.
75
Chapter 3:RouteReflection ThischapterdescribescommandsforforBGP
routereflection.
190
Chapter 4:Confederations Thischapterdescribescommandsfor
BGP
confederations.
205

Chapter 5:Neighbors ThischapterdescribescommandsforBGP
neighbors.
211
 OrganizationofThisGuide
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BGP 6.5R1v01 Vyatta
Chapter 6:PeerGroups ThischapterdescribescommandsforBGP
peergroups.
358
Chapter 7:RouteRedistribution ThischapterdescribescommandsforBGP
routeredistribution.
474
Chapter 8:RouteServer ThischapterdescribescommandsforBGP
routeserver.
496
GlossaryofAcronyms 508
 DocumentConventions
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BGP 6.5R1v01 Vyatta
DocumentConventions
This guide uses the following advisory paragraphs, as follows.
NOTENotesprovideinformationyoumightneedtoavoidproblemsorconfigurationerrors.
This document uses the following typographic conventions.
WARNINGWarningsalertyoutosituationsthatmayposeathreattopersonalsafety.
CAUTIONCautionsalertyoutosituationsthatmightcauseharmtoyoursystemordamageto
equipment,orthatmayaffectservice.
Monospace
Examples, command-line output, and representations of
configuration nodes.
boldMonospace

Your input: something you type at a command line.
bold Commands, keywords, and file names, when mentioned
inline.
Objects in the user interface, such as tabs, buttons, screens,
and panes.
italics An argument or variable where you supply a value.
<key> A key on your keyboard, such as <Enter>. Combinations of
keys are joined by plus signs (“+”), as in <Ctrl>+c.
[ key1 | key2] Enumerated options for completing a syntax. An example is
[enable | disable].
num1–numN A inclusive range of numbers. An example is 1–65535, which
means 1 through 65535, inclusive.
arg1 argN A range of enumerated values. An example is eth0 eth3,
which means eth0, eth1, eth2, or eth3.
arg[ arg ]
arg[,arg ]
A value that can optionally represent a list of elements (a
space-separated list and a comma-separated list, respectively).
 VyattaPublications
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BGP 6.5R1v01 Vyatta
VyattaPublications
Full product documentation is provided in the Vyatta technical library. To see what
documentation is available for your release, see the Guide to Vyatta Documentation.
This guide is posted with every release of Vyatta software and provides a great
starting point for finding the information you need.
Additional information is available on www.vyatta.com and www.vyatta.org.
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BGP 6.5R1v01 Vyatta
Chapter1:BGPConfiguration

This chapter describes how to configure the Border Gateway Protocol on the Vyatta
System.
The following topics are covered:
• BGP Overview
• Supported Standards
• Configuring BGP
• Configuring IPv6 Routing with BGP