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Cisco Bug: CSCvu13029 - Intermittent Link Flaps on mGig Cat9300 switches to mGig capable endpoints

Last Modified

Oct 13, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

17.4.1 Bengaluru-17.4.1

Description (partial)

A Cisco Cat9300 with mGig interfaces may see intermittent link flaps or auto-negotation issues when connected to an mGig capable endpoint such as a Cisco 4800 AP.

This is specific to mGig ports on the Cat9300 that go to certain mGig capable endpoints configured with autonegotation for mGig speeds (i.e. 2.5 Gbps, 5 Gbps, etc.).
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