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Chapter 3: Provisioning April 14, 2006
3-6 MM70xG2-UM-03
2
(cont.)
b. Configure the following parameters when DHCP server is enabled for the modem:
– DHCP Range Low
The lowest IP address value that the modem can serve when configured as a DHCP Server. A
maximum of 20 IP addresses can be served by the modem. This IP address value is provided by
your LAN administrator and must be on the same subnet as the modem LAN port.
– DHCP Range High
The highest IP address value that the modem can serve when configured as a DHCP Server. A
maximum of 20 IP addresses can be served by the modem. This IP address value is provided by
your LAN administrator and must be on the same subnet as the modem LAN port.
– Default Lease Time
The default amount of time, in seconds, that a device on the LAN can be bound to the IP address it
was served before the lease expires. This value is provided by your LAN administrator.
– Max Lease Time
The maximum amount of time, in seconds, that a device on the LAN can be bound to the IP address
it was served before the lease expires. This value is provided by your LAN administrator.
– DHCP Default Gateway
Enter the IP address of the DHCP default gateway that is provided by the LAN administrator for
devices on the LAN. After you configure this IP address, the modem provides this IP address as a
default DHCP gateway to requesting DHCP clients (such as PCs) on the LAN. If there are no
gateways on the LAN, then the modem LAN port IP address can be assigned as the gateway.
– DHCP DNS Server
Enter the IP address of the Domain Name System (DNS) server that will translate human-readable
addresses to IP addresses. The DNS server can be either on the LAN or the WAN side of the
modem. The modem provides this IP address as a default DNS server to requesting DHCP clients
(such as PCs) on the LAN. If the DNS server is on the LAN side of the modem, acquire the IP
address from your LAN administrator. If the DNS server is on the WAN side of the server, acquire
the IP address from the service provider.
If you enabled DNS relay on page 3-3 and entered a DNS server IP address, then enter the modem
LAN port IP address as the DHCP DNS server.
• DHCP relay agent—The modem forwards the request for an IP address, DHCP default gateway, and
DNS server IP address to a device acting as a DHCP server. The DHCP server can be either on the
LAN or the WAN side of the modem. If on the LAN side, acquire the IP address from your LAN admin-
istrator. If on the WAN side, acquire the IP address from the service provider.
a. Select DHCP relay agent, then click Configure to access the following DHCP Server page.
Figure 3-7. DHCP Server Page
b. Enter the DHCP Server IP address for the device to which the modem will forward DHCP services
requests, then click Apply.
Step Action