i am setting up multi subnet HA spanned across 2 different countries. i have some devices directly monitored by the Main poller and some via APE.
i am not using DNS. i have host entries for the host names of APEs. its working fine for me.
even after failover, i can see it everything still works fine.
i want to understand whats the role of the DNS in HA. is it only to access the GUI of main poller?
how about the monitoring during the failover? most of the times, i see packets going from MP to APE or MPE monitored devices.
will there also be APE initiated communications?
will there also be device initiated communications?
can i survive without DNS?if not, can i just use hostfiles?
setting up DNS is not going to be an easy task for the kind of architecture i am building.
will there also be