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Cisco Bug: CSCul20380 - Different active route selected on Active & Stdby RP

Last Modified

May 10, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.2.0.BASE

Description (partial) 

Symptom:
Best route selected by Active & Stdby RP will be different. This will effect forwarding

Conditions:
When the best route changes on Active rib, it deletes the previous best route and adds the new one, then it notifies standby rib of the new route.

Since the standby rib never gets a delete notification for the previous route, it stays as the best route and the new route update gets added as a backup route.
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