Chapter8BGP4+Conguration
St-
ep
CommandFunction
ZXR10(config-router-af)#neighbor<ip-address|
peer-group-name>attribute-unchanged{as-path
|next-hop|med}
Donotchangedesignated
pathattributeswhen
advertisingroutestothe
designatedneighbor .
ZXR10(config-router-af)#neighbor<ip-address>|<p
eer-group-name>capability-orf-prefix-list{both|
send|receive}
Thisactivatesthecapabilityof
announcingORFtoneighbor .
ZXR10(config-router-af)#neighbor<ip-address>|<p
eer-group-name>default-originate[route-map
<map-name>]
Thissendsthedefaultroute
::/0toadesignatedneighbor
ZXR10(config-router-af)#neighbor<ip-addr
ess>|<peer-group-name>maximum-prefix
<value>[<Threshold-value>][warning-only]
Thisconguresthemaximum
numberofroutesthatcan
bereceivedfromneighbor ,
inrangeof1-4294967295,
4294967295bydefault.
ZXR10(config-router-af)#neighbor<ip-address>|<pee
r-group-name>next-hop-self
Thisforcesitselfasthenext
hopforrouteadvertisement
onNBMAnetwork.
ZXR10(config-router-af)#neighbor<ip-address>|<pee
r-group-name>remove-private-AS
ThislterstheprivateASs
intherouteadvertisedto
neighbor .
ZXR10(config-router-af)#neighbor<ip-address>|<pe
er-group-name>route-reflector-client
Thissetsaneighbortothe
routerreectorclientpeer
(whenallclientsareinvalid,
thelocalreectorisnotroute
reectoranymore).
ZXR10(config-router-af)#neighbor<ip-address>|<pee
r-group-name>route-server-client
Thissetsaneighborasroute
serverclientpeer .
ZXR10(config-router-af)#neighbor<ip-address>|<pe
er-group-name>send-community
Thissendsthecommunity
attributewhenadvertising
routestoneighbors.
3
ZXR10(config-router-af)#neighbor<ip-address>|<pee
r-group-name>soft-configurationinbound
Thisenablesneighborto
supportsoftconguration.
Result:IPv6addressfamilymodehasbeencongured.
ConfiguringBGP4+
MaintenanceandDiagnosis
WhenencounteringBGP4+routeproblems,wecanlocatethe
faultsandremovethemwithrelevantdebuggingcommands.
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