ZXR105900ESeriesCongurationGuide(IPv4Routing)
CongurationVerication
Runtheshowipforwardingbackuproutecommandtocheckwhethertheconguration
canenabletheFRRfunction:
RunthefollowingcommandtocheckwhethertheBGPFRRfunctionisenabledonS1:
S1#showipforwardingbackuproute
IPv4BackupRoutingTable:
DestGwInterfaceOwnerPriMetricM/SStatus
1.1.1.150/32172.16.1.2gei-0/1/1/1BGP200MI
1.1.1.150/32171.16.20.2gei-0/1/1/2BGP200SU
5.4.4BGPRouteReflectorConfigurationExample
ScenarioDescription
ABGProutereectorisusedtoadvertiseroutesbetweenclients,betweenaclientand
anon-client,andbetweenaclientandanEBGP .Fortheprocedureofadvertisingroutes
amongclients,seeFigure5-21.
Figure5-21BGPRouteReectorCongurationExample
CongurationFlow
1.EstablishIBGPneighborrelationsamongS1,S2,andS3.
2.CongureS2astheRR,andsetS1andS3asclientsofS2.
3.RedistributearouteonS1andadvertiseittoS2.
4.S2reectsthisroutetoS3.
CongurationCommands
RunthefollowingcommandsonS1(theconfigurationoftheinterfaceaddressisomitted):
S1(config)#routerbgp100
S1(config-bgp)#neighbor1.1.1.2remote-as100
S1(config-bgp)#redistributeconnected/*Redistributeadirectlyconnectedroute
foreaseofverifyingaroute*/
S1(config-bgp)#exit
RunthefollowingcommandsonS2(theconfigurationoftheinterfaceaddressisomitted):
S2(config)#routerbgp100
S2(config-bgp)#neighbor1.1.1.1remote-as100
S2(config-bgp)#neighbor2.1.1.2remote-as100
S2(config-bgp)#neighbor1.1.1.1route-reflector-client
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SJ-20150114102049-003|2015-01-15(R1.0)ZTEProprietaryandCondential