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Cisco Bug: CSCvt58363 - MRIB needs capability to validate if FGID is part of a valid range

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

When checking show mrib route detail | i FGID: , we can see that some of the FGIDs are not matching the reserved range. The reserved range for Multicast can be checked with admin show controllers fabric fgid resources all .

We've seen this behavior after seeing the error logs below:

mrib[1145]: %ROUTING-HFR_IPV4_MRIB-3-FGID_FREE_FAIL : Failed to free FGIDs Error: 'FGID Controller' 

mrib was restarted to recover from this condition, but out of range FGIDs were found after.

Exact trigger under investigation.
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