We have a WAN connection which is controlled by our XG210 (PPPoE). This one is used for data transmission only. LAN to WAN works perfect.
Now we have switched our PBX to VoIP. To avoid QoS issues we set up a second WAN for our PBX with a Lancom 884 router. This connection is standalone and not controlled by XG, the PBX is in a seperate network. We are able to make and receive calls. So also this works perfect. So we have two seperate networks, LAN and PBX LAN.
Now we need to connect these two LANs for CTI. So I set up a new zone in our XG and connected the port to the Lancom router. For now the XG port got a DHCP address from the PBX LAN / Lancom router. Then I created a firewall rule which allows connections from LAN to PBX LAN, currently without host or service restrictions.
Unfortunaltely connections from LAN to PBX LAN don't work. Even a ping to the PBX LAN does not work. I don't see the reason for this. Can anybody give a hint what is wrong here?
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