Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Server Red Server Between 2 XGS

Hi everyone,
is it possible to extend the vlan from one site to another using red server tunnel on both sophos xgs firewalls?

If yes, how it's possible?is the some guide to follow?

Thank you

Valerio



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  • Unfortunately not.

    What you want to achieve ist called "bridging" or forwarding network packets on Layer 2 of the OSI model.

    This is very rarely used since in such a configuration every undirected traffic (namely broadcasts and multicast, ARP SMB and all the like) would be forced to pass the tunnel and appear on the other side, too.

    Common connections like Site2Site tunnels or RED interfaces all work on Layer 3 and will require IP routing.

    Your options would be either to add a VPN connection which will make a virtual interface of the client in question appear to be in the HQ's LAN/VLAN or a setup with Proxy ARP.

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  • Unfortunately not.

    What you want to achieve ist called "bridging" or forwarding network packets on Layer 2 of the OSI model.

    This is very rarely used since in such a configuration every undirected traffic (namely broadcasts and multicast, ARP SMB and all the like) would be forced to pass the tunnel and appear on the other side, too.

    Common connections like Site2Site tunnels or RED interfaces all work on Layer 3 and will require IP routing.

    Your options would be either to add a VPN connection which will make a virtual interface of the client in question appear to be in the HQ's LAN/VLAN or a setup with Proxy ARP.

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