So i am assuming you have enabled preempt on active firewall Then: The primary firewall, it will be passive waiting to preempt when links are back, though secondary has no internet either, so what happens here? So The secondary will take over as Active and there will be outage as it doesn't have a way out to internet. The secondary it takes over thought what happens here too (I haven't configured link and path monitoring yet on the passive firewall - should I do so)?till the time you dont have a readability from the second firewall there is no point in configuring ( you can do that by introducing a l2 switch in between internet router and both of the firewalls. Both firewalls are sitting there with no path to the internet. What happens here? If both the firewalls have path monitoring configured then they will play the Game of HA Dance(bouncing between each other) What happens with flapping in this case and not hard path link failure to both firewalls. Same as above Do I bother with virtual router path monitoring or rely on HA monitoring?We use VR path mointoring when we have 2 routes to a destination and we want to remove one when it goes down.in your case IFF you have 2 default routes out for internet (fro 2 ISP) then u can use that.
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