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Cisco Bug: CSCur41404 - Sup2T - MLD entries are not cleared - MLD_SNOOP Process high

Last Modified

Sep 25, 2018

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.5(1.11)S

Description (partial)

Symptom:
Whenever Sup2T receives  IPv6 MLD joins to Cat6k the entry (multicast) is not getting flushed out from MLD snooping table.As a result switch is crashing with MLD_SNOOP is being high.

F340.05.05-6500-1#show processes memory sorted
Processor Pool Total: 1516060896 Used: 1102212368 Free:  413848528
      I/O Pool Total:  268435456 Used:  132885672 Free:  135549784

PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
582   0 1554210020  651272044  745992548      19392          0 MLD_SNOOP<<<<<<<<<<<<<<<<<<<<<
   0   0  344377520       1696  324418796          0          0 *Init*
201   0   96967168    5446396   88319244          0          0 PF_Init Process

Conditions:
Sup2T with ipv6 mld snooping  configured.
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