Modifying the Destination Context for ICSR
To modify the destination context of core service:
Step 1
Add the BGP router and configure the gateway IP address, neighbor IP address, remote IP address in the destination
context where the core network service is configured, by applying the example configuration in
and Gateway Address in Destination Context, on page 284
.
Step 2
Configure the service redundancy context with BGP neighbor context and IP address to monitor the BGP link activity
by applying the example configuration in
Configuring SRP Context for BGP for Destination Context, on page 284
.
Step 3
Set the subscriber mode to
default
by following the steps in
Setting Subscriber to Default Mode, on page 284
.
Step 4
Verify your BGP context configuration by following the steps in
Verifying BGP Configuration in Destination Context,
on page 285
.
Step 5
Save your configuration as described in
Verifying and Saving Your Configuration
.
Configuring BGP Router and Gateway Address in Destination Context
Use the following example to create the BGP context and network addresses.
configure
context dest_ctxt_name
router bgp AS_num
network gw_ip_address
neighbor neighbor_ip_address remote-as AS_num
end
Notes:
•
AS_num
is the autonomous systems path number for this BGP router.
Configuring SRP Context for BGP for Destination Context
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 dest_ctxt_name neighbor_ip_address
end
Setting Subscriber to Default Mode
Use the following example to set the subscriber mode to
default
.
configure
context dest_ctxt_name
subscriber default
end
ASR 5500 System Administration Guide, StarOS Release 21.5
284
Interchassis Session Recovery
Modifying the Destination Context for ICSR