Preview Tool

Cisco Bug: CSCsz56229 - Crashing after receiving an IGMP v2 Leave Message.

Last Modified

Jan 28, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)


Cat6k running in VSS mode crash when receive a IGMP v2 Leave Message.


mls ip multicast syslog is configured 

This does also happen if mls ip multicast and ip multicast routing is completely disabled - just the default IGMP Snooping is enabled.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.