162
Default level
2: System level
Parameters
None
Description
Use graceful-restart to enable BGP Graceful Restart capability.
Use undo graceful-restart to disable BGP Graceful Restart capability.
By default, BGP Graceful Restart capability is disabled.
During main and backup boards switchover, a GR-capable BGP speaker can maintain the packet
forwarding table. During restart, it may not maintain the forwarding table.
Examples
# Enable the Graceful Restart capability for BGP process 100.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] graceful-restart
graceful-restart timer restart
Syntax
graceful-restart timer restart timer
undo graceful-restart timer restart
View
BGP view
Default level
2: System level
Parameters
timer: Maximum time for a peer to reestablish a BGP session, in the range of 3 to 600 seconds.
Description
Use graceful-restart timer restart to configure the maximum time for a peer to reestablish a BGP session.
Use undo graceful-restart timer restart to restore the default.
By default, the maximum time for a peer to reestablish a BGP session is 150 seconds.
Before configuring this command, you must enable the BGP Graceful Restart capability.
Related commands: graceful-restart.
Examples
# Configure the maximum time for a peer to reestablish a BGP session as 300 seconds.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] graceful-restart timer restart 300
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