You can run the loop-detect eth-loop alarm-only command in the VLAN view to enable VLAN-based MAC address flapping detection.ĭifferences on alarms of fixed and modular switches in different versions: By default, VLAN-based MAC address flapping detection is disabled. Fixed switches of V100R005 and V100R006 do not support global MAC address flapping detection, and support only VLAN-based MAC address flapping detection. Modular switches and fixed switches of V200R001C00 and later versions support global MAC address flapping detection, and global MAC address flapping detection is enabled on them by default. Run the display trapbuffer command to check alarms to determine whether MAC address flapping occurs.
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