I have found some issues in running HA Actvice/Active as it relates to config sync. It appears when a red dot on the firewall and an Admin connects their default reaction is sync config. So I noticed that something that replicated to the active-secondary was BGP peer groups which caused my BGP peering to become broken on my secondary PA. So I decided that I may want to run these in Active/Active but "standalone" and use Panorama to manage the configuration on each device and make sure they are "in sync". I am not running these at the edge and my network is symetrical so active/active is a suitable design for my network. There are just some issues like I have mentioned that could cause issues. Anyone have similar issues? or thoughts?
Not yet, but just about to deploy a pair of 5220's in a similar model, except these would be at the edge.
So I'm curious if there have been any other obvious issues you faced with A/A & BGP peering for e.g.?
I am not sure I would be brave enough to try active-active at the edge, but in my core sure since I want to use routing protocols within my core network.
I have decided to go back to an active-active HA config and just disable config sync so someone isnt tempted to sync the config.
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