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Cisco Bug: CSCtb18426 - C2HD1-SI: %COMMON_MFIB-3-TABLE traceback seen on removing mcast config

Last Modified

Jan 30, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(32.8.11)XJC273.32 12.2(32.8.11)XJC273.9 12.2XN

Description (partial)

The multicast error messages and tracebacks can sometimes be observed when configuring/unconfiguring multicast on an interface using commands of the form <CmdBold>[no]ip pim <noCmdBold>.
 Usually most multicast configuration has been removed leaving perhaps the last nterface still configured. 
Unconfiguring multicast on the last interface followed quickly by reconfiguring multicast on an interface may result in the multicast error messages being generated. 
The problem is most likely to occur when making configuration changes to virtual interfaces e.g Loopback and Tunnel.
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