Reference Guide
Version 
8.3.19.0
Introduced on the S4820T.
Version 
8.3.12.0
Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.1.0 Introduced on the E-Series.
Related 
Commands
graceful-restart t3 — configures the overall wait time before graceful restart 
completes.
graceful-restart t1
Set the graceful restart wait time before unacknowledged restart requests are generated. This wait time 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.
S4820T
Syntax
graceful-restart t1 {interval seconds | retry-times value}
To return to the default, use the no graceful-restart t1 command.
Parameters
interval Enter the keyword interval to set the wait time. The range 
is from 5 to 120 seconds. The default is 
5 seconds.
retry-times Enter the keywords retry-times to set the number of 
times the request interval is extended until a CSNP is 
received from the helping router. The range is from 1 to 10 
attempts. The default is 1.
Defaults Refer to Parameters.
Command 
Modes
ROUTER ISIS
Command 
History
This guide is platform-specific. For command information about other platforms, 
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version 
8.3.19.0
Introduced on the S4820T.
Version 
8.3.12.0
Introduced on the S4810.
Intermediate System to Intermediate System (IS-IS)
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