Original Publication Date: 12/11/2012
Updated Date: 02/29/2016
TMM CPU utilization may spike when using an iRule with the table add command.
This issue occurs when all of the following conditions are met:
This behavior may result in TMM dumping core and restarting.
As a result of this issue, you may encounter the following symptoms:
F5 Product Development has assigned ID 374923 to this issue, and has confirmed that this issue exists in the products listed in the Applies To box. For information about releases or hotfixes that resolve this issue, refer to the following table:
|Type of Fix||Versions Fixed||Related Articles|
|Release||11.3.0||SOL2200: Most recent versions of F5 software|
|Hotfix||10.2.4 HF5||SOL9502: BIG-IP hotfix matrix|
To work around this issue, you can modify the iRule to verify that the client certificate is valid before running the table add command.
Impact of workaround: iRule logic will need to be evaluated and implemented.
For more information about the CLIENTSSL_CLIENTCERT event or the table command, refer to the following DevCentral articles:
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