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Cisco Bug: CSCtc58817 - [VSS] Incorrect pMASK fpoe on standby causes traffic black-holed

Last Modified

Jan 28, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(33)SXH 12.2(33)SXI1

Description (partial)

Traffic incoming to standby switch pointing index of 
local port of multi chassis port-channel to be black-holed.

After dual-recovery, force-switchover, line card reload, power-cycle etc,
mask for fabric port of exit, aka pMASK on standby might be corrupted.
Large number of multi chassis port-channels, the higher possibility of occurrence.
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