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Cisco Bug: CSCvt50788 - Cat9400 mGig interop issues with other mGig devices causes link flaps

Last Modified

Oct 13, 2020

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases


Description (partial)

A Cisco Cat9400 with mGig interfaces may see intermittent link flaps when connected to an mGig capable endpoint, such as a Cisco 4800 AP.

This is specific to mGig ports on the Cat9400 that go to certain mGig capable endpoints configured with autonegotation for mGig speeds (2.5 gbps, 5 gbps, etc.).
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