29.5.9 Graceful restart configuration
- <Structure of this section>
(1) List of configuration commands
The following table lists the commands used to configure graceful restart.
Command name |
Description |
---|---|
bgp graceful-restart mode |
Specify to use graceful restart. #1 |
bgp graceful-restart restart-time |
Specifies the maximum time that a peer will wait to be reconnected after a neighboring router has commenced a graceful restart. #1 |
bgp graceful-restart stalepath-time |
Specifies the maximum time that a peer will keep routes received before a graceful restart after the neighboring router has commenced a graceful restart. #1 |
routing options graceful-restart time-limit #2 |
Specifies the maximum amount of time that the Switch holds routes. |
- Note #1
-
Commonly specified for both VRFs and the global network.
- Note #2
-
See Configuration Command Reference Vol.2" "9 Routing Options (IPv4).
(2) Configuring graceful restart
- Points to note
-
To use graceful restart, set bgp graceful-restart mode command. Use config-router mode.
Command examples
-
(config)# router bgp 65531
(config-router)# bgp router-id 192.168.1.100
(config-router)# neighbor 3ffe:172:16:2::2 remote-as 65532
(config-router)# neighbor 3ffe:192:168:2::2 remote-as 65531
Configure the BGP4+ peers.
-
(config-router)# bgp graceful-restart mode both
Specifies that the graceful restart router and receive router functionality are to be used.
-
(config-router)# address-family ipv6
Places the router in config-router-af (ipv6) mode.
-
(config-router-af)# neighbor 3ffe:172:16:2::2 activate
(config-router-af)# neighbor 3ffe:192:168:2::2 activate
Enables the IPv6 address family.