Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 550
identifies the database instance type to which the wait interval applies.
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Page 550 highlights
• Enable graceful restart on ISIS processes. ROUTER-ISIS mode graceful-restart ietf • Configure the time during which the graceful restart attempt is prevented. ROUTER-ISIS mode graceful-restart interval minutes The range is from 1 to 120 minutes. The default is 5 minutes. • Enable the graceful restart maximum wait time before a restarting peer comes up. ROUTER-ISIS mode graceful-restart restart-wait seconds When implementing this command, be sure to set the t3 timer to adjacency on the restarting router. The range is from 1 to 120 minutes. The default is 30 seconds. • Configure the time that the graceful restart timer T1 defines for a restarting router to use for each interface. This time is an interval before regenerating Restart Request (an IIH with RR bit set in Restart TLV) after waiting for an acknowledgement. ROUTER-ISIS mode graceful-restart t1 {interval seconds | retry-times value} - interval: wait time (the range is from 5 to 120. The default is 5.) - retry-times: number of times an unacknowledged restart request is sent before the restarting router gives up the graceful restart engagement with the neighbor. (The range is from 1 to 10 attempts. The default is 1.) • Configure the time for the graceful restart timer T2 that a restarting router uses as the wait time for each database to synchronize. ROUTER-ISIS mode graceful-restart t2 {level-1 | level-2} seconds - level-1, level-2: identifies the database instance type to which the wait interval applies. The range is from 5 to 120 seconds. The default is 30 seconds. • Configure the graceful restart timer T3 to set the time the restarting router uses as an overall maximum time to wait for database synchronization to complete. ROUTER-ISIS mode graceful-restart t3 {adjacency | manual seconds} - adjacency: the restarting router receives the remaining time value from its peer and adjusts its T3 value so if user has configured this option. - manual: allows you to specify a fixed value that the restarting router should use. The range is from 50 to 120 seconds. 550 Intermediate System to Intermediate System
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