Multicast and Routing Guide K/KA/KB.15.15

BGP graceful restart
Table 33 Graceful restart commands
Menu referenceCLI referenceDefaultDescriptionCommand syntax
(page 295)Configures BGP
graceful restart timers.
bgp
graceful-restart
{ restart-time
val |
[stalepath-time
val]}
(page 295)Enables or disables
BGP event logging.
[no] bgp
log-neighbor-changes
[prefix-list
prefix-list-name]
(page 295)Describes a neighbor.[no] neighbor
ipv4-addr
description desc
(page 296)Configured under BGP
routing context,
[no] nonstop
enables nonstop
forwarding for BGP on
the 8200 series
devices and enables
the router to retain the
ip forwarding table
across redundancy
switchover.
Configuring BGP graceful restart timers
Syntax:
bgp graceful-restart { restart-time val | [stalepath-time
val]}
Configures BGP graceful restart timers as follows:
restart-time The time in seconds to wait for a graceful restart capable
neighbor to re-establish BGP peering.
stalepath-time The time in seconds to hold stale routes for a restarting peer.
Enabling event logging
Syntax:
[no] bgp log-neighbor-changes [prefix-list prefix-list-name]
Enables or disables BGP event logging. Optionally, specify a prefix-list to filter log
messages from specific BGP neighbors only.
Describing a neighbor
Syntax:
[no] neighbor ipv4-addr description desc
Describes a neighbor.
BGP graceful restart 295