Configuring Dhcp On The Adsl Interface - Fortinet FortiGate FortiGate-60 Install Manual

Configuring the ADSL interface

Configuring DHCP on the ADSL interface

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IP/Netmask Enter a static IP address and netmask.
Default Gateway Enter the default gateway supplied by your ISP.
Virtual Circuit Configure a virtual connection for the adsl modem. ATM uses
these values to identify the virtual channel of the next network that
Identification
to transit its packets. Enter values, supplied by your ISP, for the
following:
VPI - Virtual Path Identifier
VCI - Virtual Channel Identifier
MUX Type Select the multiplexor type, supplied by your ISP. Select from:
LLC Encap - Logical Link Control Encapsulation
VC Encap - Virtual Circuit Encapsulation
If you configure an interface to use DHCP, the FortiGate unit automatically
broadcasts a DHCP request. The interface is configured with the IP address and
optionally DNS server addresses and default gateway address that the DHCP
server provides.
To configure the ADSL interface, select DCHP, complete the following and select
Apply.
Figure 5: ADSL interface DHCP settings
Distance Enter the administrative distance for the default gateway retrieved
from the DHCP server. The administrative distance, an integer
from 1-255, specifies the relative priority of a route when there are
multiple routes to the same destination. A lower administrative
distance indicates a more preferred route. The default distance for
the default gateway is 1.
Retrieve default Enable Retrieve default gateway from server to retrieve a default
gateway IP address from the DHCP server. The default gateway is
gateway from server
added to the static routing table.
Override internal Enable Override internal DNS to use the DNS addresses retrieved
from the DHCP server instead of the DNS server IP addresses on
DNS
the DNS page. You should also enable Obtain DNS server address
automatically in System > Network > Options.
Virtual Circuit Configure a virtual connection for the adsl modem. ATM uses
these values to identify the virtual channel of the next network that
Identification
to transit its packets. Enter values, supplied by your ISP, for the
following:
VPI - Virtual Path Identifier
VCI - Virtual Channel Identifier
MUX Type Select the multiplexor type, supplied by your ISP. Select from:
LLC Encap - Logical Link Control Encapsulation
VC Encap - Virtual Circuit Encapsulation
Configuring the ADSL interface
FortiGate-60ADSL FortiOS 3.0 MR6 Install Guide
01-30006-0448-20080131