Forum Discussion

Amresh008's avatar
Amresh008
Icon for Nimbostratus rankNimbostratus
Jan 11, 2020

High-Availability over Management Interface

So, the situation is that the serverfarm 1 was down for quite sometime during OS upgrade and the failover did not occur for the vCMP guest on F5 - A on the Standby Unit F5 - B, but instead all the vC...
application delivery
BIG-IP
LTM
Simon_Blakely's avatar
Simon_Blakely
Icon for Employee rankEmployee
Jan 19, 2020

Just re-reading your diagram - the management interfaces need to be directly routable to each other, so that HA status is directly communicated between the two LTMs over the management network.

 

If link 3 goes down, HA status between LTMs is still communicated via HA network (link 4) - Active/Standby will still work correctly.