Netgear Cg3100d2 Owners Manual

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Managing Your Network4-3
v1.0, July 2009
Viewing the Connection Status
Use the Connection screen to track the gateway’s initialization procedure, and to get details about 
the downstream and upstream cable channel. The time is displayed  after the gateway is initialized.
Figure 4-2 

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
4-4Managing Your Network
v1.0, July 2009
The gateway automatically goes through the following steps in the provisioning process:
• Scan and lock the downstream frequency, and then link back 
 in upstream direction.
• Obtain an IP address for the gateway itself. Then the
  gateway assigns an IP address for the 
connected PC.
• Connect to the Internet.
Backing Up and Restoring Your Settings
The configuration settings of the gateway are stored  in a...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Managing Your Network4-5
v1.0, July 2009
A message notifies you when the gateway has been restored to previous settings. Then, the 
gateway restarts, which  takes about one minute.
Note: When restoring configuration  settings, do not interrupt the process by going online, 
turning off the gateway, or  shutting down the computer. 
Changing the Built-In Password
For security reasons, the gateway has its own user  name and password. Also, after a period...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
4-6Managing Your Network
v1.0, July 2009
4.Click  Apply  to save your changes. 
Note: After changing the password, you will be required to log in again to continue the 
configuration. If you have backed up the  gateway settings previously, you should 
do a new backup so that  the saved settings file includes the new password. 
Running Diagnostic Utilities
From the Diagnostics screen you can use Ping or Traceroute.
To use diagnostics:
1.Log in to the...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Managing Your Network4-7
v1.0, July 2009
Testing Connectivity with the Ping Command
To start a ping test, enter the IP address in the Diagnostics screen, and click the  Ping button. The 
Ping Results are displayed:
Figure  4-6
Traceroute
To start a Traceroute test:
1.In the Diagnostics screen, 
 select Traceroute in the Utility field:
Figure  4-7 

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
4-8Managing Your Network
v1.0, July 2009
2.Fill in the fields:
• T
arget . The IP address or host name of th e computer you would like to trace. 
• Max Hop
 s. Maximum number of hops to search for target. 
• Data Size . Th
 e size of the packet. 
• Base Por
 t. The port number  to send packet. 
• Res
olve Host . Turn On or OFf to resolve th e host name to IP address . 
3. Click  St
a rt Te st  to begin the Traceroute. 
4. Click the  Refr
 esh button...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Customizing Your Network5-1
v1.0, July 2009
Chapter 5 
Customizing Y
our Network
This chapter describes how to customize your ne twork through the advanced settings on your 
gateway. When you log in to the gateway, these tasks are grouped under Advanced.
This chapter includes:
• “DMZ Host” on page  5-1 ”
• “LAN IP Setup” on page  5-2
• “Configuring Universal Plug and Play (UPnP)” on page  5-5
•
Note:  For information about  port forwarding, see...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
5-2Customizing Your Network
v1.0, July 2009
To set up a DMZ host:
1.In
 the main menu, under Advanced, select  DMZ Host. The following screen displays:
Figure 5-1
2.If desired, select the  Respond to Ping on WAN Port  check box.
3. T
ype the last digit(s) of the IP address in the  DMZ Address field.
4. Click  Ap
 ply.
LAN IP Setup
The LAN IP screen allows you to  configure LAN services such as the IP address of the gateway 
and DHCP. The TCP/IP and...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Customizing Your Network5-3
v1.0, July 2009
To configure LAN IP settings:
1.In the main menu, under Advance
 d, select LAN IP. The LAN IP screen displays.
Figure 5-2
2.Enter the following LAN IP settings:
• LAN IP Addr
 ess. Enter the LAN IP address that you would like to assign for your 
gateway in dotted decimal no tation. The factory default settings is 192.168.0.1.
• IP Su
bnet Mask . Enter the network number portion of an IP address. Unless you...

Wireless Cable Voice Gateway CG3000/CG3100 User Manual
5-4Customizing Your Network
v1.0, July 2009
•DHCP Server . The gateway is set up by default as a Dynamic Host Configuration 
Protocol (DHCP) server, which provides the  TCP/IP configuration for all the computers 
that are connected to the gateway. You can change the default setting.
– Ye
s . Select this settings to enable the DHCP  server on the gateway and assign IP 
addresses to computers on your LAN automatically.
– No. Select 
 this settings to...