Issues With SonicWALL And Multiple 3CX Instances

[NMeshTech]

Hi guys,

I am hosting multiple clients in my colocation behind my sonicwall. Each system gets a dedicated static WAN IP, dedicated VLAN, and dedicated resources on my servers. I have 7 systems currently, 4 out of 7 systems pass firewall checker no issue. I am having an issue with the last 3 installs where everything on the firewall checker passes except for ports 10000-10999, they say full cone failure. I have combed through my configurations and looked to verify the policies are all identical with their correct dedicated static IP addresses, verified that the same group of ports is being forwarded when traffic hits that IP to the correct address, verified the ports are in the forwarding and verified I have the outbound policy set with "disable source port remap" checked for all the systems. I am at a loss at this point, on two of the systems I must restart the services daily or the phones will drop audio both directions unless they are behind a VPN, as soon as I restart the services they work fine. Any help would be appreciated.

 

[NMeshTech]

Resolved this issue after finding this article https://www.3cx.com/community/threa...-failures-no-nat-public-ip.57186/#post-241493

Will report back if audio loss persists moving forward, I have one system that has a few phones registered via STUN/SIP those phones lost audio but have a few others registered behind a VPN direct to the LAN address of the system that did NOT lose audio.