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Cisco Bug: CSCun82222 - S,G is missing in mfib after ISSU from 614

Last Modified

Jul 15, 2015

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.2(8)S0

Description (partial)

Symptom:
Some multicast routes may not be installed in the LC after an LC ISSU when there are FEXes connected to the switch.

Conditions:
During LC ISSU, depending on the load of the system, it's possible that GSDB is not ready when applications are trying to restore from PSS.  Applications that rely on GSDB to complete their restoration will fail to fully recover the their states.  This is an intermittent problem because it is a race condition between GSDB and the applications.
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