Product: 2x XG210 (HA - Active and Passive) with SFOS 18.5MR1.
I have a 3 Internet Connection (WAN). One is main (web browsing) and two for backup.
One of two backup connection is used only for VoIP Call.
I configure in WAN Link Manager in this way for those connections:
A)
B)
Here SD-WAN Routing rule
Firewall Rule
NAT Rule
I noticed in nomal conditions that:
1. My PBX Register correctly SIP Trunks passing through Port4.VoIP.TIM
2. RTP traffic is OK - no problem: VoIP calls are OK
If I go to simulate the Down of the Port4 interface (I changed the Port4.TIM Gateway) -> WAN link manager status of that Interface changed to RED.
I expect that all active sessions on this interface will be closed (Monitor& Analyze -> Diagnostics -> Connection list: I do not have to find connections that have to do with the interface that no longer reaches the Internet.... And so it is!! Good
After a while it returns reachable Internet through the Port4 interface, but look this:
Why SIP is using Port3 and not port4??? I had specified a different behavior see point A) and B)
In this way SIP is registered via Port3, but RTP now use Port4... Disaster!
How can I fix this since Sophos support lately in Italy is not working as it once did....
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