Concept Guide

graceful-restart t2
Congure the wait time for the graceful restart timer T2 that a restarting router uses as the wait time for each database to synchronize.
Syntax
graceful-restart t2 {level-1 | level-2} seconds
To return to the default, use the no graceful-restart t2 command.
Parameters
level-1, level-2 Enter the keywords level-1 or level-2 to identify the database instance type to
which the wait interval applies.
seconds Enter the gracefule-restart t2 time in seconds. The range is from 5 to 120
seconds. The default is 30 seconds.
Defaults 30 seconds
Command Modes ROUTER ISIS
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
graceful-restart t3
Congure the overall wait time before graceful restart completes.
Syntax
graceful-restart t3 {adjacency | manual} seconds
To return to the default, use the no graceful-restart t3 command.
Parameters
adjacency Enter the keyword adjacency so that the restarting router receives the remaining time
value from its peer and adjusts its T3 value so if you have congured this option.
manual Enter the keyword manual to specify a time value that the restarting router uses. The
range is from 50 to 120 seconds. The default is 30 seconds.
Defaults manual, 30 seconds
Command Modes ROUTER ISIS
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
The running router sets the remaining time value to the current adjacency hold time. You can override this setting
by implementing this command.
Intermediate System to Intermediate System (IS-IS) 781