PurposeCommand or Action
The route-policy configuration is a pre-requisite for configuring the
additional-paths selection mode for a prefix . This is an example
route-policy configuration to use with additional-selection command:
route-policy ap1
set path-selection backup 1 install
end-policy
commit
Step 5
Retaining Allocated Local Label for Primary Path
Perform the following tasks to retain the previously allocated local label for the primary path on the primary
PE for some configurable time after reconvergence:
SUMMARY STEPS
1.
configure
2.
router bgp as-number
3.
address-family { vpnv4 unicast | vpnv6 unicast }
4.
retain local-label minutes
5.
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Specifies the autonomous system number and enters the
BGP configuration mode, allowing you to configure the
BGP routing process.
router bgp as-number
Example:
RP/0/RSP0/CPU0:router(config)# router bgp 100
Step 2
Specifies the address family and enters the address family
configuration submode.
address-family { vpnv4 unicast | vpnv6 unicast }
Example:
RP/0/RSP0/CPU0:router(config-bgp)#
address-family vpnv4 unicast
Step 3
Retains the previously allocated local label for the primary
path on the primary PE for 10 minutes after reconvergence.
retain local-label minutes
Example:
RP/0/RSP0/CPU0:router(config-bgp-af)# retain
local-label 10
Step 4
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
OL-30423-03 137
Implementing BGP
Retaining Allocated Local Label for Primary Path
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