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WS 2000 Use Cases 9-43
Again, Leo fills out the advanced DHCP screen as he did for the two previous subnets. Leo clicks the Ok button on the
Advanced DHCP Server window, then the Apply button on the subnet window.
The next step is to configure the WAN interface.
Configuring the WAN Interface
Next Leo configures the WS 2000 WAN interface. This interface connects the WS 2000 switch to the VPN appliance and,
through that appliance, to the Internet.
Leo enables the WAN interface, but leaves the DHCP Client option disabled. Instead of using DHCP to get address
information for the switch, he enters the permanent information which he previously obtained from the corporate network
administrator. He enters the IP address for the switch, the gateway address (in this case, the VPN appliance), and the IP
addresses of the corporate primary and secondary DNS servers.
The corporation has a frame relay link between this office, the corporate network and the Internet. If the connection to the
WAN had been through a DSL link, the account information would be entered in the PPP over Ethernet section on the bottom
of this screen. Since it will not be needed, Leo makes sure that the Enable checkbox in the PPP Over Ethernet section is not
checked.