1. Basic Configuration-Modify LAN IP address for DFL Firewall
Network topology
Internal LAN1
IP: /24
Notes:
DFL-800 only has LAN and DMZ
DFL-1600/2500 has LAN1 , LAN2 ,LAN3 , and DMZ
Pay attention to default manageable status
Confirm connecting port
DFL-800
DFL-1600
DFL-2500
Bind a secondary IP address to match the new network IP segment.
After configuration, use new LAN IP address for default gateway on laptop
Internal LAN2
IP: /24
Internal LAN3
IP: /24
Internal DMZ
IP: /24

2. The Logics of Configuration
Basic Configuration-Modify LAN IP address for DFL Firewall
Network topology
Objectives
Modify LAN IP address for DFL Firewall
The Logics of Configuration
Bind a secondary IP address at your laptop to match the new network IP segment.
After configuration, use new LAN IP address for default gateway in your laptop
Modify objects of IP address and network in address book of Object

3. Bind two IP address on one NIC1 2 3

4. Bind two IP address on one NIC5 6 4

5. Basic Configuration-Modify LAN IP address for DFL Firewall
Use web browser such as Internet Explorer 6 or Firefox 1.0 to connect to Web UI

6. Basic Configuration-Modify LAN IP address for DFL Firewall1 2 3 1 2
Change the IP address in address book of Object
Click “Interface Addresses” in Object
Key in the correct IP address and network

7. Basic Configuration-Modify LAN IP address for DFL Firewall1 2 3 1 2
Change the IP address in address book of Object or Ethernet of Interface
Key in correct IP address and network

8. Basic Configuration-Modify LAN IP address for DFL Firewall1 2 3
After all configurations are done , Click “configuration” in main bar
Click “Save and Activate”

9. Basic Configuration-Modify LAN IP address for DFL Firewall
Ping LAN IP address
Testing Result

10. How to modify reconnection Web UI time
After you click” save and active” you can adjust the reconnection time
Click “Click here to edit the configuration verification timeout.”

11. Basic Configuration-Modify LAN IP address for DFL Firewall
Use new LAN IP address for default gateway on laptop 1 2 3

12. Basic Configuration-Modify LAN IP address for DFL Firewall
Use new LAN IP address for default gateway on laptop 5 4 6

13. Basic Configuration-Modify LAN IP address for DFL Firewall
Use new LAN IP address for default gateway on laptop 7 8