OPERATIONAL DEFECT DATABASE
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After ISSU on 9500, we can spot continous flaps on the standby side of MEC. *Mar 23 11:08:01.916: %LINK-5-CHANGED: Interface TenGigabitEthernet1/0/15, changed state to administratively down *Mar 23 11:08:03.917: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/15, changed state to up *Mar 23 11:08:17.090: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to down *Mar 23 11:08:19.556: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to up *Mar 23 11:09:03.982: %LINK-5-CHANGED: Interface TenGigabitEthernet1/0/15, changed state to administratively down *Mar 23 11:09:05.983: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/15, changed state to up *Mar 23 11:09:20.635: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to down *Mar 23 11:09:23.048: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to up *Mar 23 11:10:06.052: %LINK-5-CHANGED: Interface TenGigabitEthernet1/0/15, changed state to administratively down *Mar 23 11:10:08.054: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/15, changed state to up *Mar 23 11:10:24.064: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to down *Mar 23 11:10:26.530: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to up *Mar 23 11:11:08.120: %LINK-5-CHANGED: Interface TenGigabitEthernet1/0/15, changed state to administratively down *Mar 23 11:11:10.121: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/15, changed state to up *Mar 23 11:11:27.545: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to down *Mar 23 11:11:29.957: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/0/16, changed state to up
1. CTS under the interface. 2. Interfaces in Multi-Chassiss EtherChannel 3. ISSU: 16.9.2 -> 16.9.3 16.9.3 -> 16.9.4 16.9.4 -> 16.9.5
Reapplying the configuration on flapping links resolve the problem.
Reload will NOT resolve the problem.
Cisco Integration
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