Gateway CG3000 User Manual

Wireless Cable Voice Gateway CG3000/CG3100 User Manual

vi

v1.0, July 2009

Blocking Keywords, Sites, and Services ........................................................................3-2

Blocking Keywords and Domains .............................................................................3-2

Services ..........................................................................................................................3-4

Port Forwarding ..............................................................................................................3-5

Adding a Custom Rule .............................................................................................3-6

Managing Your Network

Viewing the Modem Status .............................................................................................4-1

Viewing the Connection Status .......................................................................................4-4

Backing Up and Restoring Your Settings ........................................................................4-5

Changing the Built-In Password .....................................................................................4-6

Running Diagnostic Utilities ............................................................................................4-7

Testing Connectivity with the Ping Command ..........................................................4-8

Traceroute ................................................................................................................4-9

Viewing the Event Log ..................................................................................................4-10

Customizing Your Network

DMZ Host .......................................................................................................................5-1

LAN IP Setup ..................................................................................................................5-2

Reserving an IP Address for DHCP Use ..................................................................5-4

Configuring Universal Plug and Play (UPnP) .................................................................5-5

NAT .................................................................................................................................5-6

Troubleshooting

Basic Functions ..............................................................................................................6-1

Using LEDs to Troubleshoot ....................................................................................6-2

Connecting to the Gateway’s Main Menu .......................................................................6-3

Troubleshooting the ISP Connection ..............................................................................6-4

Troubleshooting a TCP/IP Network Using a Ping Utility .................................................6-4

Testing the LAN Path to Your Gateway ....................................................................6-4

Testing the Path from Your PC to a Remote Device ................................................6-5

Default Settings and Technical Specifications

Factory Default Settings ................................................................................................ A-1

Technical Specifications ................................................................................................. A-2