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Cisco Bug: CSCvv72181 - Peer side interface down/up once during 2960XR reload

Last Modified

Oct 16, 2020

Products (1)

  • Cisco Catalyst 2960-XR Series Switches

Known Affected Releases


Description (partial)

C2960XR connect to C3850 with 10G uplink ports.
During C2960XR booting up,  even though the port on C2960XR not link up yet, 
the C3850 side port link down/up once before C2960XR port comes up.

issue is not seen on C2960XR with 15.2(4)E train, but issue occurring on 15.2(6)E train and 15.2(7)E train
issue is not seen on downlink 1G ports

Connect to C3850 with 10G uplink port
2960XR reload
15.2(6)E, 15.2(7)E
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