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Cisco Bug: CSCsz43495 - ARP broadcasts cause loop in REP when dot1q tunneled

Last Modified

Jan 31, 2017

Products (1)

Known Affected Releases


Description (partial)


When a dot1q tunnel is setup through a REP ring - ARP broadcasts will be looped through the REP topology.

Also, SW_MATM-4-MACFLAP_NOTIF messages may be seen on one or more switches in the REP ring.


Issue has been seen on ME-3400Es running 12.2(50)SE1.
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