USG flex 200 one core of cpu full

MattiasLu

Router# show version
Zyxel Communications Corp.
image number model firmware version build date boot status

1 USG FLEX 200 V5.39(ABUI.1) 2024-11-16 04:07:18 Running2 USG FLEX 200 V5.39(ABUI.1) 2024-11-16 04:07:18 StandbyRouter#

Router# show cpu all
CPU core 0 utilization: 37 %
CPU core 0 utilization for 1 min: 27 %
CPU core 0 utilization for 5 min: 30 %
CPU core 1 utilization: 18 %
CPU core 1 utilization for 1 min: 19 %
CPU core 1 utilization for 5 min: 23 %
CPU core 2 utilization: 23 %
CPU core 2 utilization for 1 min: 21 %
CPU core 2 utilization for 5 min: 26 %
CPU core 3 utilization: 99 %
CPU core 3 utilization for 1 min: 99 %
CPU core 3 utilization for 5 min: 97 %

vti interface will lose packets and web interface will refuse to reponse frequently

MattiasLu

MattiasLu

MattiasLu

MattiasLu

华科_Huake2机房_CN-HU-FW1_10.82.90.254_2025-01-14_10_11_38.log

MattiasLu

It seems that all processes are piled up on CPU core 3

MattiasLu

restart firewall solved the problem. BTW, Zyxcel support sucks

Zyxel_Melen

Hi @MattiasLu,

We regret not helping you as soon as possible. Since this issue was solved by restarting the firewall, please help to provide diag-info or even a remote so we can investigate this issue better.

You can reference this FAQ via CLI:

How to collect "diaginfo" by CLI — Zyxel Community