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Cisco Bug: CSCuq36149 - 6880-X GLC-T stuck in down/down even after shut/no shut

Last Modified

Sep 14, 2019

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY3.9 15.2(1)SY2.95

Description (partial)

Port is seen as not connected and down down even though config and neighbor port are correct.

HHHS-MDF-6880-1#sh ip int bri | i Te2/5/6
Te2/5/6                unassigned      YES unset  down                  down    
HHHS-MDF-6880-1#sh int te2/5/6 | i conn  
TenGigabitEthernet2/5/6 is down, line protocol is down (notconnect)

Use of GLC-T transceiver in Tengig port on 6880-X. Not manufacture specific.

HHHS-MDF-6880-1#sh idprom int te2/5/6

Transceiver Serial EEPROM Contents:
Common block:
 Identifier        : SFP [0x03]
 Connector         : RJ45 connector [0x00]

Excessive link flaps seen on link
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