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Cisco Bug: CSCun84000 - N7K: F3 PortLoopback fails due to Error in Forwarding ASIC MAC GD Block

Last Modified

Oct 23, 2020

Products (1)

  • CiscoPro Workgroup EtherSwitch Software

Known Affected Releases


Description (partial)

In Nexus7000, F3 10Gig module may report PortLoopback failures INTERMITTENTLY due to " Error in Forwarding ASIC MAC GD Block".
"show diagnostic result module <mod#>"
                Last failure reason ---------> Error in Forwarding ASIC MAC
                                               GD Block

This issue is seen ONLY in F3 modules
Failure should be intermittent. The module/port recovers itself after the failures.
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