HI everybody. I need some help with the following subject.
Recently my company migrated from an old PF-Sense firewall to a Sophos XG 230 v18.0.3.
Headquarters’ network has the following configuration:
- 2 ISP suppliers, connected to ports 2 and 3 for WAN Network
- LAN IP is 192.168.1.1/24 connected to port 1
From the original installation inherited from the PF-Sense FW, we have the 192.168.20.1/24 subnet for VoIP, connected to Avaya HW/SW. Cisco 3 Layer switches are used for managing both networks.
Therefore, I created a LAN IP Alias in port 1 for the 192.168.20.1/24 network and everything is working smoothly.
We also have a branch office with a Sophos XG 106, with LAN address 192.168.0.1/24.
The BO is connected to HQ via IPSec VPN, with no problems.
I need to extend de HQ VoIP Subnet 192.168.20.xxx to the BO in order to install VoIP phones, in IP range 192.168.20.201 to 192.168.20.220 and I don’t know how to do this.
Any advice will be highly appreciated. VLans, Routing, VPN, ???
Following is a diagram of our network.
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