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Cisco Bug: CSCvv28681 - Cisco Nexus 9500-R heavy RPF failure traffic congesting CPU pipeline causing IGMP drops

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(3) 9.3(5)

Description (partial)

IGMP groups time out due to dropping of IGMP packets in CoPP.

CoPP drops in copp-system-p-class-undesirable for the rpf-failure:

class-map copp-system-p-class-undesirable (match-any)
        violated 13813792366 bytes;
        violated 0 bytes;
        violated 0 bytes;
        violated 0 bytes;
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