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

Forum Discussion

Thornid's avatar
Thornid
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Jul 03, 2020

Cannot Establish GTM/DNS Sync Group

Hi all We're attempting to get a GTM/DNS sync group setup and having some difficulty. We've set the two BIG-IP systems up in a HA pair and on one device configured all the necessary components to in...
application delivery
BIG-IP DNS
Thornid's avatar
Thornid
Icon for Nimbostratus rankNimbostratus
Jul 25, 2020

I solved this pretty much after I wrote this. I targeted the mgmt IP of the GTM master from the new GTM and modified the SSH allow list to allow the new GTM.