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Cisco Bug: CSCum70594 - Self-originated External LSA counter underflow

Last Modified

Aug 01, 2018

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases


Description (partial)

In some situations counter that keeps the number of redistributed prefixes can be decremented multiple times for a given prefix, when prefix is not redistributed anymore. It can have two consequences:

1. Router may redistribute more prefixes then the configured limit

2. following message is observed:
%ROUTING-OSPFv3-3-INTERNALERR : Internal error: Self-originated External LSA counter underflow"

Double decrement of the counter happens if the prefix that has been redistributed by OPFv3 changes the source protocol in RIB first, which is followed by the RIB removal of the prefix. Both of these need to happen in a very short period of time.
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