graceful-restart

Description

Configures graceful restart parameters for OSPF.

The no form of this command sets the restart interval to the default interval of 120 seconds or disables the helper mode, depending on the parameter specified.

Command context

config-ospf

Parameters

Choose one of the following parameters:

restart-interval <SECONDS>

Specifies the time another router should wait for this router to gracefully restart and selects the maximum interval (in seconds) that another router should wait. Default: 120 seconds. Range: 5-1800.

helper

Specifies that the router will participate in the graceful restart of a neighbor router.

Authority

Administrators

Examples

Enabling OSPF nonstop forwarding:

switch# configure terminal
switch(config)# router ospf 1
switch(config-ospf-1)# graceful-restart restart-interval 50
switch(config-ospf-1)# graceful-restart helper

Setting restart-interval to default, disable helper mode:

switch# configure terminal
switch(config)# router ospf 1
switch(config-ospf-1)# no graceful-restart restart-interval
switch(config-ospf-1)# no graceful-restart helper