Configuration Guide Vol. 3


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.

Table 29-17: List of configuration commands

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

  1. (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.

  2. (config-router)# bgp graceful-restart mode both

    Specifies that the graceful restart router and receive router functionality are to be used.

  3. (config-router)# address-family ipv6

    Places the router in config-router-af (ipv6) mode.

  4. (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.