Re-Enable Bgp Nonstop Routing; Installing Primary Backup Path For Prefix Independent Convergence (Pic) - Cisco ASR 9000 Series Routing Configuration Manual

Implementing BGP
Command or Action
Step 4
commit

Re-enable BGP Nonstop Routing

If BGP Nonstop Routing (NSR) is disabled, use the following steps to turn BGP NSR back on using the
following steps:
SUMMARY STEPS
1. configure
2. router bgp as-number
3. no nsr disable
4. commit
DETAILED STEPS
Command or Action
Step 1
configure
Step 2 router bgp as-number
Example:
RP/0/RSP0/CPU0:router(config)# router bgp 120
Step 3
no nsr disable
Example:
RP/0/RSP0/CPU0:router(config-bgp)# nsr disable
Step 4 commit

Installing Primary Backup Path for Prefix Independent Convergence (PIC)

Perform the following tasks to install a backup path into the forwarding table and provide prefix independent
convergence (PIC) in case of a PE-CE link failure:
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
Re-enable BGP Nonstop Routing
Purpose
Purpose
Specifies the BGP AS number, and enters the BGP
configuration mode, for configuring BGP routing
processes.
Enables BGP Nonstop routing.
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