The Network Services > DHCP > Relay tab allows you to configure a DHCP relay. The DHCP service is provided by a separate DHCP server and Sophos UTM works as a relay. The DHCP relay can be used to forward DHCP requests and responses across network segments. You need to specify the DHCP server and a list of interfaces between which DHCP traffic shall be forwarded.
To configure a DHCP relay, proceed as follows:
On the Relay tab, enable DHCP Relay.
Click the toggle switch.
The toggle switch turns amber and the DHCP Relay Configuration area becomes editable.
Add the interfaces involved.
Add the interface to the DHCP server as well as all interfaces to the clients' network(s) between which DHCP requests and responses should be forwarded.
Your settings will be saved.
The toggle switch turns green.
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