Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

AlanStrange_168's avatar
AlanStrange_168
Icon for Nimbostratus rankNimbostratus
Mar 08, 2019

GTM DNS Wide-IP-Pool-Irule Question

Hi, First time poster here. We've got an issue where, with a GTM, we had 1 x WideIP with 2 x CNAME pools sitting behind it. There was also an iRule attached to the WideIP which queried the Active Mem...
application delivery
big-ip
BIG-IP DNS
Rico's avatar
Rico
Icon for Cirrus rankCirrus
Mar 08, 2019

I would check your configuration of the CNAME WIPs. If you don't need an A record WIP and the requests can be made for CNAMEs, then it might be beneficial to just have a CNAME WIP and no A record WIP. If you must have an A record WIP, you could simply add an iRule on the A record WIP that selects which requests should be sent as a CNAME with the cname command.

 

If you have any questions or need more help, I am sure I can help.