[Problem Description]
Customer constantly see log messages on his CE12808 (V200R002C50SPC800,
Patch V200R002SPH012) and CE6855HI (V200R002C50SPC800 Patch V200R002SOH012).
Example of log message from CE12808:
Oct 15 2018 14:32:08+03:00 NDC01-PLCE12-01 %FEI/4/hwMflpBdPeriodicTrap(l):CID=0x808c03f6;MAC flapping detected, BdId = 92, Original-Port = Eth-Trunk14, Flapping port 1 = 10.5.2.15, port 2 = -. Check the network connected to the interface learning a flapping MAC address : 00c0-b79b-06fc.
Example of log message fromсCE6855HI:
Oct 15 2018 16:14:02+03:00 NDC01-PLCE68-02 %FEI/4/hwMflpBdPeriodicTrap(l):CID=0x808c0494;MAC flapping detected, BdId = 92, Original-Port = 10.5.2.10, Flapping port 1 = Eth-Trunk2, port 2 = -. Check the network connected to the interface learning a flapping MAC address : 00c0-b79b-06fc.
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The source MAC first enters CE128 from eth14, and then
encapsulates it into the Vxlan tunnel, and Unpack it to CE6865. AfterUnpack, CE5865 confirms that the packet is learned from
10.5.2.10, and then sends it from eth2.
There is also a situation that is opposite to the above
The source MAC first enters CE6865 from eth2, and then
encapsulates it into the Vxlan tunnel, and Unpack it to CE128. AfterUnpack, CE128 confirms that the packet is learned from
10.5.2.10, and then sends it from eth2.
This is how it has been repeated, leading to such problems, the
reasons may be:
1. The user's traffic will enter from CE128 and
will enter from CE6865.
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