F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

candc's avatar
candc
Icon for Cirrus rankCirrus
Jul 18, 2022

iRule [after 8000] causing TMM reset

Firstly, I note that I am running an old version -- we are in the process of replacing our devices and have put off the software upgrade as a result. To that end, is it a known issue (particularly o...
application delivery
Nikoolayy1's avatar
Nikoolayy1
Icon for MVP rankMVP
Jul 18, 2022

Just check the big tracker with maybe "irule after" or the release notes for your version:

 

https://support.f5.com/csp/bug-tracker

https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/related/relnote-supplement-bigip-12-1-6.html

 

Also see the ltm/kern/tmm logs about the error and if you can google it as this may help and the logs may also show if the CPU and memory/SWAP had issues because of the "after 8000" command. Here is a helpfull article that I did a long time ago:

 

https://community.f5.com/t5/crowdsrc/knowledge-sharing-investigating-troubleshooting-crash-and/ta-p/297501