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Configuration examples for the D-Link
NetDefend Firewall series
Scenario: How to configure Transparent Mode in DHCP Network
Environment
Platform Compatibility: All NetDefend Firewall Series
Last update: 2008-03-07
Overview
In this document, the notation Objects->Address book means that in the tree on the left
side of the screen Objects first should be clicked (expanded) and then Address Book.
Most of the examples in this document are adapted for the DFL-800. The same settings can
easily be used for all other models in the series. The only difference is the names of the
interfaces. Since the DFL-1600 and DFL-2500 has more than one lan interface, the lan
interfaces are named lan1, lan2 and lan3 not just lan.
The screenshots in this document is from firmware version 2.11.02. If you are using an
earlier version of the firmware, the screenshots may not be identical to what you see on
your browser.
To prevent existing settings to interfere with the settings in these guides, reset the
firewall to factory defaults before starting.
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Summary of Contents for D-Link NetDefend DFL Series
- Page 1 Configuration examples for the D-Link NetDefend Firewall series Scenario: How to configure Transparent Mode in DHCP Network Environment Platform Compatibility: All NetDefend Firewall Series Last update: 2008-03-07 Overview In this document, the notation Objects->Address book means that in the tree on the left side of the screen Objects first should be clicked (expanded) and then Address Book.
- Page 2 How to configure Transparent Mode in DHCP network environment This scenario shows how a firewall in Transparent Mode can be placed into an existing DHCP network between an Internet access router and LAN, without the need to reconfigure clients in LAN. The WAN and LAN interfaces of the firewall will be configured to operate in Transparent Mode.
- Page 3 1. Interfaces. Go to Objects ->Address book -> InterfaceAddresses: Edit the following items: Change lan_ip to 192.168.1.1 Change lannet to 192.168.1.0/24 Change wan1_ip to 192.168.1.101 Change wan1net to 192.168.1.0/24 Add a new IP4 Host/Network object: Name: gw-world Address: 192.168.1.254 Click OK. Go to Interfaces ->...
- Page 4 2. How to configure DHCP relay in transparent mode Many companies are in DHCP network environment, here will introduce how to configure your firewall which can allow your DHCP server or ISP DHCP server to offers IP address for network clients in transparent mode. Go to Objects ->Address book ->...