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Cisco Bug: CSCvv76539 - 1G CTS enabled links from Cat4K experience instability

Last Modified

Sep 24, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases


Description (partial)

The symptoms include but not limited to port instability, Unidirectional traffic flow, Protocol adjacency flaps

A reload is performed after CTS establishment between the peers.
The issue can also be triggered by remove/re-adding the CTS manual
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