Preview Tool

Cisco Bug: CSCup53854 - l2mcast crash seen on N7k while using a tunnelling protocol

Last Modified

Jul 24, 2020

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)

L2mcast crash is seen in a tunnelling environment (ex VPLS, OTV etc)
switch# show cores vdc-all
VDC  Module  Instance  Process-name     PID       Date(Year-Month-Day Time)
---  ------  --------  ---------------  --------  -------------------------
1    1       2         l2mcast          1213      2020-02-26 12:59:39
1    1       1         l2mcast          20549     2020-02-26 12:59:52

This issue can be seen when customer is running any of the affected release of N7k along with a tunnelling environment.
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.