Guest

Preview Tool

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

Last Modified

Jul 11, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

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

Description (partial)

Symptom:
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)

Conditions:
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]
 Transceiver

Excessive link flaps seen on link
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.