For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

konradp_385235's avatar
konradp_385235
Icon for Nimbostratus rankNimbostratus
Mar 05, 2019

GMT / LTM (DC 1+ DC 2) active/standby virtual server health check fails

We have 4x virtual F5 running in 2 data centers (DC1 + DC2). The GTM config is that they are all part of the same sync-group each configured with a listener IP (self-none float).   For the LTM con...
application delivery
BIG-IP DNS
LTM
Rico's avatar
Rico
Icon for Cirrus rankCirrus
Mar 05, 2019

Make sure you have your LTMs setup as an HA pair. If you dont add in both devices when configuring the Server in BIG-IP DNS, it will send a health monitor check to the standby device and the standby device will not respond as expected.