I am no expert on networking, but know just enough to be dangerous unfortunately. We are a SMB that is currently going through a reno, and I'd like to install a Unifi network that will consist of a USG Pro, a switch 48 with some POE and probably another couple of small switch 8s. The problem I am having is that I need the USG to have a static IP from our ISP, but our VOIP system, which is from XBlue and has about 8 phones in house and 3 remote phones. That comes with its own router, the X50 which I believe also needs a static IP.
I am wondering if it is possible to do the following:
- Use the passthrough port from our ISP fibre modem
- Send that into a 5 port switch
- Send one port into LAN 1 of the USG
- Send another port into the WAN port of the XBlue router
- Connect the LAN out port on the XBlue into the LAN2 port on the USG
- Have the LAN 2 port (XBlue) service a specific VLAN and only that VLAN
- Have LAN 1 (ISP Fibre) feed a different VLAN, which is effectively everything else on the Switch.
I have tried putting the VOIP router behind the firewall, and punching holes through with port forwarding, but could just never get it to work. I was able to get the remote phones to ring, but never actually hear anything.
Have a look at the diagram I made to help explain things a little better.
https://s3.amazonaws.com/6foot4vt/XBlue+USG+Map.jpg
I'm going to post this over on the Ubiquiti sub as well just in case!
Thanks in advance for any help.
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