SonicWALL Internet Security Appliances - Manual (Page 168)

DHCP Server Page 169
Configuring the Central Gateway for VPN over DHCP
To configure DHCP over VPN for the Central Gateway, use the following steps:
1. Log into the Management interface, click DHCP, and then DHCP over VPN.
2. Select Central Gateway from the DHCP Relay Mode menu.
3. If you want to send DHCP requests to specific servers, enable the Send DHCP requests to the
server addresses listed below check box. Enter the IP addresses of DHCP servers in the Add
DHCP Server field, and click Update. The SonicWALL now directs DHCP requests to the specified
servers.
4. To delete DHCP servers, click on the IP address of the DHCP server, and click Delete DHCP
Server. The server is removed from the list of DHCP servers.
5. To complete the configuration, go to VPN and click Configure.
6. Select Destination network obtains IP addresses using DHCP through this SA in the Destination
Networks section. Click Update.
Configuring the Remote Gateway for VPN over DHCP
To configure the SonicWALL as a Remote Gateway, use the following steps:
1. Log into the Management interface, click DHCP, and then DHCP over VPN.