Configuring Bgp Router And Gateway Address - Cisco ASR 5000 Series Administration Manual

Interchassis Session Recovery

Configuring BGP Router and Gateway Address

Use the following example to create the BGP context and network addresses.
configure
context source_ctxt_name
router bgp AS_num
network gw_ip_address
neighbor neighbor_ip_address remote-as AS_num
end
Notes:
• source_ctxt_name is the context where the core network service is configured.
Configuring the SRP Context for BGP
Use the following example to configure the BGP context and IP addresses in the SRP context.
configure
context srp_ctxt_name
service-redundancy-protocol
monitor bgp context source_ctxt_name neighbor_ip_address
end
neighbor_ip_address can be entered in IPv4 dotted-decimal or IPv6 colon-separated-hexadecimal notation.
Multiple IP addresses can be added per context as IPv4 and/or IPv6 IP addresses.
An ICSR failover is triggered when all BGP peers within a context are down.
Optionally, you can configure SRP peer groups within a context. ICSR failover would then occur if all peers
within a group fail. This option is useful in deployments in which a combination of IPv4 and IPv6 peers are
spread across multiple paired VLANs, and IPv4 or IPv6 connectivity is lost by all members of a peer group.
A sample configuration for SRP peer groups within a context ("PGWin") appears below.
monitor bgp context PGWin 10.1.1.16 group 1
monitor bgp context PGWin 10.1.1.17 group 1
monitor bgp context PGWin 69.2.215.0 group 2
monitor bgp context PGWin 69.2.215.1 group 2
monitor bgp context PGWin 2001:4333:201:1102:103:2a1:: group 3
monitor bgp context PGWin 2001:4333:201:1102:103:2a1:0:1 group 3
In the above sample configuration, ICSR failover would occur if both addresses in group 1, 2 or 3 lost
connectivity.
For additional information refer to the description of the monitor bgp, monitor diameter and monitor
authentication-probe commands in the Service Redundancy Protocol Configuration Mode Commands chapter
of the Command Line Interface Reference.
Verifying BGP Configuration
Verify your BGP configuration by entering the show srp monitor bgp command (Exec Mode).
Modifying the Source Context for ICSR
ASR 5500 System Administration Guide, StarOS Release 21.4
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