Symptom
The LAN module went down during high CPU issue as this causes NGIO control packet loss.
#show platform
Chassis type: C1121X-8P
Slot Type State Insert time (ago)
--------- ------------------- --------------------- -----------------
0 C1121X-8P ok 3w2d
0/0 C1121X-2x1GE ok 3w2d
0/1 C1121X-ES-8 out of service 02:05:08 >>>> noticed out of service
R0 C1121X-8P ok, active 3w2d
F0 C1121X-8P ok, active 3w2d
P0 PWR-12V ok 3w2d
Conditions
Cedge "C1121x-8P" and high CPU issue observed with NGIO control packet loss.
Workaround
Reload the LAN module manually as below:
#hw-module subslot 0/1 reload
Further Problem Description
The customer has devices cedge "C1121x-8P" and when high CPU occurs , it was noticed NGIO control packet loss detected: module reloading and to fix the issue , customer reloaded the LAN module manually.
