Reference Guide

916 | Intermediate System to Intermediate System (IS-IS)
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graceful-restart t1
e
Set the Graceful Restart wait time before unacknowledged restart requests are generated. This is the
interval before the system sends a Restart Request (an IIH with RR bit set in Restart TLV) until the
CSNP is received from the helping router.
Syntax
graceful-restart t1 {interval seconds | retry-times value}
To return to the default, use the no graceful-restart t1command.
Parameters
Defaults
above
Command Modes
ROUTER ISIS
Command
History
graceful-restart t2
e
Configure 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 t2command.
Parameters
Defaults
30 seconds
Command Modes
ROUTER ISIS
Command
History
interval Enter the keyword interval to set the wait time.
Range: 5-120 seconds
Default: 5 seconds
retry-times Enter the keyword retry-times to set the number of times the
request interval is extended until a CSNP is received from the
helping router.
Range: 1-10 attempts
Default: 1
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 8.3.1.0 Introduced on the E-Series
level-1, level-2 Enter the keyword level-1 or level-2 to identify the database
instance type to which the wait interval applies.
seconds Range: 5-120 seconds
Default: 30 seconds
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 8.3.1.0 Introduced on the E-Series