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clear isis database
Clears and regenerates the IS-IS Link State Database.
Syntax: clear isis database [set-overload-bit timer]
timer
Specify the number of seconds adjacencies should refrain from forwarding traffic through this router. Valid Values: 1 - 65535 (seconds). Default: 10.
Description: The IS-IS Link State DataBase (LSDB) does not dynamically reflect policy changes on a router. This and other circumstances when the LSDB does not reflect current IS-IS needs can require the clearing and regenerating of the LSDB. Clearing the LSDB causes LSP/PLSPs to be removed. New LSP/PLSPs are regenerated and LSP/PLSPs are received from all adjacencies. During the process of regenerating the LSDB, optionally setting the overload bit prevents adjacencies from using this router to forward traffic for the length of the overload bit timer.
Use the clear isis database command in global configuration mode to manually force a clearing of the IS-IS LSDB for this router.
Use the clear isis database set-overload-bit command, specifying the timer in seconds, to manually force a clearing of the IS-IS LSDB and prevent adjacencies from forwarding traffic through this router for the length of the timer.
Factory Default: None.
Command Mode: Global configuration.
Example: The following example manually clears the IS-IS database and instructs adjacencies to refrain from forwarding traffic through this router for 15 seconds:
router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
router(config)#clear isis database set-overload-bit 15
router(config)#end
router#
Related Commands: set-overload-bit
show isis database
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are
trademarks of Avici Systems Inc.
Source
File Name: ISIS.fm
HTML File Name: ISIS3.html
Last Updated: 05/10/04 at 16:35:45