We are attempting to internal load balance a pair of VM firewalls in Azure. The firewalls work when traffic is sent directly to the firewalls. But when the Azure internal load balancer is added into the mix no traffic hits the firewall. I have searched all over the Palo web sites, the live community and Internet, but have not found instructions on how to configure this. I see references to NATs, sandwiches, lots of public load balance scenarios, but nothing I have been able to use. We have a third part contractor configuring Azure, as this is new to us. They are also stumped. I have a support case open with Palo but have not been able to get an engineer assigned to it. Thanks for any help.
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