Cisco Bug: CSCuo80849 - MDS 9710 DS-X9448-768K9 Port Loopback test failed
Last Modified
Jan 25, 2019
Products (1)
- Cisco MDS 9000 Series Multilayer Switches
Known Affected Releases
6.2(7)
Description (partial)
Symptom: Some ports may fail a loopback test and put ports in that port group into a hwfailure state. The error message seen on the console or syslog output would appear as follows: %DIAG_PORT_LB-2-INT_PORT_LOOPBACK_TEST_FAIL: Module:2 Test:Internal PortLoopback failed 10 consecutive times. Faulty module: affected ports:affected ports:9-16 Error:Loopback test failed. Packets possibly lost on the switch fabric Conditions: Unknown
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