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Cisco Bug: CSCuw23090 - 3650 trunk interface malfunction issue when speed nonegotiate is applied

Last Modified

Feb 11, 2018

Products (1)

  • Cisco Catalyst 3650 Series Switches

Known Affected Releases

15.0(1)EZ5 15.2(2)E3

Description (partial)

Symptom:
3650 trunk interface malfunction issue when "speed nonegotiate" applied on SFP interfaces.
Unable to ping from each other . No ARP / MAC entries learned from peer .

Conditions:
Interface must be a SFP ports with "speed nonegotiate" applied. Does NOT matter if this port is Access, Trunk, or L3 configured port.
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