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MAC Flapping

Hi,

We are seeing frequest MAC flapping issue in our 3750G/4500 switches.  MAC flapping is occuring between two interfaces, which are connecting to two different Huawei MSANs (I guess its UA5000) as trunk. Since we don't have much visibility on these MSAN configurations, we are in trouble of getting cisco switches isolated from the issue..

Has anyone seen similar behaviour with MSANs connecting to Cisco switches.

Regards,

  • WAN Routing and Switching
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