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VYATTA,INC.| VyattaSystem
BGPREFERENCEGUIDE
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RELEASEDATE:October2012
DOCUMENTREVISION.6.5R1v01
RELEASEDWITH:6.5R1
PARTNO.A00216100016
iii
BGP 6.5R1v01 Vyatta
Contents
QuickListofCommands........................................................ xii
ListofExamples .............................................................. xix
Preface......................................................................xxIntendedAudience .............................................................................. xxi
OrganizationofThisGuide ........................................................................ xxi
DocumentConventions ......................................................................... xxiii
VyattaPublications............................................................................. xxiv
Chapter1 BGPConfiguration .................................................... 1BGPOverview ................................................................................... 2
iBGPandeBGP ............................................................................... 3
iBGP .................................................................................... 3
eBGP ................................................................................... 4
BGPIDSelectionProcess....................................................................... 5
BGPPathSelectionProcess..................................................................... 6
ScalabilityofBGP ............................................................................. 7
Confederations ........................................................................... 7
RouteReflection .......................................................................... 8
RouteFlappingandFlapDamping .............................................................. 10
ASPaths ................................................................................... 11
BGPCommunities ........................................................................... 12
PeerGroups ................................................................................ 13
BGPMultipathSupport ....................................................................... 13
IPv4andIPv6Support........................................................................ 13
SupportedStandards............................................................................. 14
ConfiguringBGP................................................................................. 14
BasiciBGPConfiguration ...................................................................... 15
VerifyingtheiBGPConfiguration ............................................................... 24
R1:showipbgpsummary................................................................. 24
R1:showipbgp ......................................................................... 25
BasiceBGPConfiguration ..................................................................... 25
VerifyingtheeBGPConfiguration............................................................... 27
R1:showipbgpsummary................................................................. 27
R1:showipbgp ......................................................................... 28
OriginatingaRoutetoeBGPNeighbors.......................................................... 28
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BGP 6.5R1v01 Vyatta
VerifyingtheRouteOrigination ................................................................ 30
R1:showipbgpsummary................................................................. 30
R1:showipbgp ......................................................................... 31
R1:showiproutebgp .................................................................... 32
R4:showipbgpsummary................................................................. 33
R4:showipbgp ......................................................................... 33
InboundRouteFiltering....................................................................... 34
VerifyingtheInboundFilter ................................................................... 39
R1:showipbgp ......................................................................... 39
R1:showipbgp ......................................................................... 39
R4:showipbgp ......................................................................... 40
R4:showipbgp ......................................................................... 41
OutboundRouteFiltering..................................................................... 41
VerifyingtheOutboundFilter .................................................................. 45
AS200:showipbgp ...................................................................... 45
AS200:showipbgp ...................................................................... 46
Confederations.............................................................................. 46
VerifyingtheConfederation................................................................... 54
R1:showipbgpsummary................................................................. 54
R1:showipbgp ......................................................................... 55
R2:showipbgpsummary................................................................. 56
R2:showipbgp ......................................................................... 56
R3:showipbgpsummary................................................................. 57
R3:showipbgp ......................................................................... 57
R4:showipbgpsummary................................................................. 58
R4:showipbgp ......................................................................... 58
RouteReflectors............................................................................. 59
VerifyingtheRouteReflector.................................................................. 65
R1:showipbgpsummary................................................................. 65
R1:showipbgp ......................................................................... 66
R2:showipbgpsummary................................................................. 66
R2:showipbgp ......................................................................... 67
R3:showipbgpsummary................................................................. 67
R3:showipbgp ......................................................................... 68
R4:showipbgpsummary................................................................. 69
R4:showipbgp ......................................................................... 69
RouteRedirection ........................................................................... 70
ConfiguringIPv6RoutingwithBGP ................................................................. 70
EnableForwardingonR1andR2............................................................... 71
ConfigureIPv6BGPPeer ...................................................................... 71
AdvertiseConnectedNetworks ................................................................ 73
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ConfirmAdvertisedRoutes .................................................................... 73
Chapter2 GlobalandRouterSpecificConfiguration ................................ 75GlobalandRouterSpecificCommands .............................................................. 76
monitorprotocolbgpdisable .................................................................. 81
monitorprotocolbgpdisableall................................................................ 82
monitorprotocolbgpdisableevents ............................................................ 83
monitorprotocolbgpdisablefilters............................................................. 84
monitorprotocolbgpdisablefsm .............................................................. 85
monitorprotocolbgpdisablekeepalives......................................................... 86
monitorprotocolbgpdisablerib ............................................................... 87
monitorprotocolbgpdisableupdates........................................................... 88
monitorprotocolbgpenable .................................................................. 89
monitorprotocolbgpenableevents............................................................ 90
monitorprotocolbgpenablefilters ............................................................. 91
monitorprotocolbgpenablefsm............................................................... 92
monitorprotocolbgpenablekeepalives ......................................................... 93
monitorprotocolbgpenablerib .....
