Configuring Ospf Nsf - Cisco WS-C6506 Software Manual

Chapter 24 Configuring NSF with SSO MSFC Redundancy
On the SSO device and the neighbor device, verify that the graceful restart function is shown as both
Step 3
advertised and received, and confirm the address families that have the graceful restart capability.
Note
Router# show ip bgp neighbors x.x.x.x
BGP neighbor is 192.168.2.2,
BGP version 4, remote router ID 192.168.2.2
BGP state = Established, up for 00:01:18
Last read 00:00:17, hold time is 180, keepalive interval is 60 seconds
Neighbor capabilities:
Received 1539 messages, 0 notifications, 0 in queue
Sent 1544 messages, 0 notifications, 0 in queue
Default minimum time between advertisement runs is 30 seconds

Configuring OSPF NSF

All peer devices that participate in OSPF NSF must be made OSPF NSF-aware, which happens
Note
automatically once you install an NSF software image on the device.
To configure OSPF NSF, perform this task:
Purpose
Step 1 Enter global configuration mode.
Step 2 Enable an OSPF routing process, which places
the router in router configuration mode.
Step 3
Enable NSF operations for OSPF.
OL-8978-04
If no address families are listed, then BGP NSF also will not occur.
Route refresh:advertised and received(new)
Address family IPv4 Unicast:advertised and received
Address famiiy IPv4 Multicast:advertised and received
Graceful Restart Capabilty:advertised and received
Remote Restart timer is 120 seconds
Address families preserved by peer:
IPv4 Unicast, IPv4 Multicast
remote AS YY, external link
Command
Router# configure terminal
Router(config)# router ospf processID
Router(config-router)# nsf
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
Using the CLI to Configure NSF/SSO
24-9