User guide

Table Of Contents
Technician’s Handbook
96
6. Select the desired Route option (not normally used).
7. Click Save.
8. If you are using a DSL/cable router on the layer 2 side
of the 3100 ICP controller, you must complete the
following programming
-Click DHCP, DHCP Server. Click Change and
then set “Advertise as Default Gateway” to “Not
This System”. Click Save.
-Click DHCP, DHCP Server, and then click DHCP
Subnet. Click Change and set “Advertise as
Default Gateway” to “Not This System”. Click
Save.
-Click DHCP, DHCP Server, and then click DHCP
IP Address Range. Click Change and set
“Advertise as Default Gateway” to “Not This
System”. Click Save.
-Click DHCP, DHCP Server, and then click DHCP
Options. Click Add. In the ID field, enter 3 (Router
Address). In the Format field, select IP Address. In
the Value field, enter the address of the DSL/cable
router and click Save.
9. Commit the database.
10. Launch a browser on any PC that is a DHCP client
that is connected to the system LAN. Verify that you
can access the Internet.
11. Backup the database. See Backing up the database
(p. 141).
Using a remote DHCP server
To configure the 3100 ICP system to use an external
DHCP server (for example, Windows NT server or
Windows 2000 server) through the layer-2 switch port,
you must disable the DHCP server that is built into the