High CPU utilization with Switch TLSG2218 reaching always upper 90%

High CPU utilization with Switch TLSG2218 reaching always upper 90%

High CPU utilization with Switch TLSG2218 reaching always upper 90%
High CPU utilization with Switch TLSG2218 reaching always upper 90%
2024-04-16 18:40:13
Hardware Version: V1
Firmware Version: 1.1.4 Build 20220707 Rel.55528

Below the model , I have

 

Problem Facing high Cpu load - going 90%, sometime , It goes to hangstream state

 

TL-SG2218#show system-info
 System Description   - JetStream 16-Port Gigabit Smart Switch with 2 SFP Slots
 System Name          - TL-SG2218
 System Location      - Hong Kong
 Contact Information  - www.tp-link.com
 Hardware Version     - TL-SG2218 1.0
 Software Version     - 1.1.4 Build 20220707 Rel.55528
 Bootloader Version   - TP-LINK  BOOTUTIL(v1.0.0)
 Mac Address          - 5C-62-8B-B8-AA-C6
 Serial Number        - 22344Q9000053
 System Time          - 2006-01-02 05:35:01
 Running Time         - 0 day - 21 hour - 35 min - 24 sec

 

Configured 6 vlan around and 6 ports are active

 

 

Cpu utilization going high

TL-SG2218#show cpu-utilization
 Unit  |             CPU Utilization
  No.  | Five-Seconds   One-Minute   Five-Minutes
-------+-------------------------------------------------
   1   |     90%           90%           90%
 

 

 

Let us understand , if any solution from your side

 

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Re:High CPU utilization with Switch TLSG2218 reaching always upper 90%
2024-04-17 02:35:11

Hi @BT_RED 

Thanks for posting in our business forum.

You might have a loop in your network. Remove all the cables and leave just one for the SSH and see if this persists.

 

Loop would be the common reason for high CPU usage.

BTW, if you have SFP used, please let me know.

 

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