GREAT ARBOR GAC-252 User Manual - Page 14

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G E T T I N G

S T A R T E D

For scheduled dial up the command is "ifup dialup" to start the connection and "ifdown

dialup" to end the connection. For example to start the dial up session at 1:00 AM and

end the session at 1:05 AM every day type the following 2 lines in the Scheduled Tasks

box and Submit:

0 1 * * * ifup dialup

5 1 * * * ifdown dialup

To start the dial up session at 5:30 AM every Sunday and end it 5 minutes

later, use the following commands:

30 5 ? * 0 ifup dialup

35 5 ? * 0 ifdown dialup

Optional: Broadband Configuration

If you have a broadband connection (DSL, Cable, Fiber-optic, or satellite) and would like

to use that with the GAC-252, connect the Broadband Ethernet cable to the WAN port

on the router. Access the router administrator console (via http://192.168.1.1) and select

Network/Interfaces/WAN

in the same manner as the Dial Up interface (DIALUP) was

Save/Apply

selected earlier. Configure WAN as specified by your Broadband ISP and

In manual button mode of operation the dial up connection will become the default

route to the Internet if the button is pressed. Upon disconnecting the dial up, the default

route will fall back to the Ethernet WAN. In Automatic dial up mode of operation, the

Ethernet WAN route will always be preferred and dial up connections will only happen if

the Ethernet WAN port is physically disconnected from the broadband service.

Port Forwarding (Redirection)

Port Forwarding can be used to redirect incoming WAN/Dialup connections to servers

on the LAN side of the GAC router. Port Forwarding is useful if web servers, video

cameras and other content servers on the LAN need to be accessed from the Internet.

The Internet connection could be a broadband connection or a scheduled dial up

connection. Typically a dynamic DNS client on the content server is used to associate a

hostname with the current IP address of the GAC router site. This allows users on the

Internet to access the GAC router site with a hostname. The port forwarding

configuration on the router then ensures that those incoming connections are redirected

to the content server. To configure port forwarding first click the Network/Firewall

tab. Next go to the Redirections section of the firewall page and click Add. The port

forwarding (Redirection) page shown in Figure 7 below will be displayed. Select the

incoming protocols (TCP, UDP, TCP and UDP or custom IP protocol name), the ports,

and the IP address of the server on the LAN (Internal IP address) that the traffic is to be

redirected to. For example for a web server on the LAN, the protocol would be TCP

and the port would be 80. You can also map the external port to a different internal port

if you wish. Press Save&Apply to save the changes.