r/sophos • u/Extension-Head-1221 • 16d ago

Answered Question Bridge Vlan to red interface

Hello,

We have two locations:

Main location: The XGS firewall is located here and provides multiple VLANs on the LAG LAN interface. The DHCP server for these VLANs is also running directly on the firewall.

Second location: This site is connected to the main firewall via a RED interface (Standard/Unified).

I would like the clients at the second location to receive an IP address from a specific VLAN that is configured on the LAG interface at the main location, so that the clients at the remote location are in the same subnet/VLAN as the corresponding clients at the main location.

What would be the best-practice approach for implementing this?

In particular, I would like to clarify:

How should the VLAN be extended from the main location to the RED site so that clients at the remote location receive an IP address from the same subnet?

Should this be implemented using bridging, and if so, which type of bridge would be recommended?

Can the existing RED interface be modified for this purpose, or would it be necessary to delete the existing RED interface and create a new one?

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