C9606 High memory utilization

[JustTakeTheFirstStep]

Memory utilization frequently exceeds 80%.

The init process is using high memory.

Does anyone know the cause and solution?

[Leo Laohoo]

Post the complete output to the following commands: 

sh version
sh platform resources
sh platform software status control-processor brief

[JustTakeTheFirstStep]

attach

[Leo Laohoo]

---

@JustTakeTheFirstStep wrote:

**State Acronym: H - Healthy, W - Warning, C - Critical
Resource                 Usage                 Max             Warning         Critical        State
----------------------------------------------------------------------------------------------------
 Control Processor       3.73%                 100%            90%             95%             H
  DRAM                   7325MB(46%)           15626MB         90%             95%             H
  TMPFS                  973MB(6%)             15626MB         40%             50%             H

Y_LEAL3_V#show platform software status control-processor brief
Load Average
 Slot  Status  1-Min  5-Min 15-Min
1-RP0 Healthy   0.61   0.75   0.80
2-RP1 Healthy   0.70   0.78   0.81

Memory (kB)
 Slot  Status    Total     Used (Pct)     Free (Pct) Committed (Pct)
1-RP0 Healthy 16001560  7500652 (47%)  8500908 (53%)   6821572 (43%)
2-RP1 Healthy 16001560  7209336 (45%)  8792224 (55%)   6250460 (39%)

---

Control-plane memory utilization is normal.  

NOTE:  Highly unusual memory utilization of line card #2.  

[JustTakeTheFirstStep]

Can you be a little more specific?

[marce1000 · Accepted solution]

 - Possible solution can be , to upgrade and use latest advisory software version on the C9606 (e.g.)

 M.

[JustTakeTheFirstStep · Accepted solution]

I opened a case and here's the response

Problem Description:

Symptom: Memory issue

Hardware Information: C9606R

Software Information: 17.3.3 <<< EoSM: March 31, 2023

End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.3.x - Cisco
https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios-xe-17/ios-xe-17-3-x-eol.html

Action Taken:

1/ Issue Clarification

Result) Done

2/ Log Analysis

- show tech

Results)

- Has SNMP configuration

- linux_iosd-imag process has high memory utilization

3/ Research

- Hitting bug: CSCwd07516 - Memory leak under linux_iosd-imag related to SNMP

Result) Can be fixed by Cisco recommended version 17.9.4

Action Plan:

4/ Version recommendation

Recommended Releases for Catalyst 9200/9300/9400/9500/9600 Platforms - Cisco

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9300-series-switches/214814-recommended-releases-for-catalyst-9200-9.html

Software Fix Availability for Cisco IOS XE Software Web UI Privilege Escalation Vulnerability - CVE-2023-20198 - Cisco

https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xe-dublin-17121/221128-software-fix-availability-for-cisco-ios.html

Result) 17.9.4a would be the best one.

Download link: https://software.cisco.com/download/home/286323141/type/282046477/release/Cupertino-17.9.4a

[MHM Cisco World]

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