Netgear DSL Modem Internet Gateway DG814 User Manual download pdf (Page 52)

Reference Manual for the Model DG814 DSL Modem Internet Gateway

4-12 Basic Configuration of the Gateway

4. Gateway’s MAC Address:

This section determines the Ethernet MAC address that will be used by the gateway on the

Internet port. Some ISPs will register the Ethernet MAC address of the network interface card

in your PC when your account is first opened. They will then only accept traffic from the

MAC address of that PC. This feature allows your gateway to masquerade as that PC by

“cloning” its MAC address.

To change the MAC address, select “Use this Computer’s MAC address.” The gateway will

then capture and use the MAC address of the PC that you are now using. You must be using

the one PC that is allowed by the ISP. Or, select “Use this MAC address” and enter it.

5. ISP Parameters for Internet Access

MTU Size: The normal MTU (Maximum Transmit Unit) value for most Ethernet networks is

1500 Bytes. For PPPoE, the gateway adjusts the MTU size automatically to 1492 Bytes.

Changing this is rarely required, and should not be done unless you are sure it is necessary for

your ISP connection. Any packets sent through the gateway that are larger than the configured

MTU size will be repackaged into smaller packets to meet the MTU requirement. To change

the MTU size:

1. Under MTU Size, select Custom.

2. Enter a new size between 64 and 1500. For PPPoE, use 1492.

3. Click Apply to save the new configuration.

Multiplexing Method:

Your ISP will indicate whether your Multiplexing Method is VC-BASED or LLC-BASED and

which VPI and VCI is used. Enter the information in this screen. The most common

Multiplexing Method is LLC-based. If your service provider does not indicate which one is

used, use LLC-BASED.

Note: The Multiplexing Method and VPI/VCI combination has been preconfigured for your ISP.

You should not have to change these parameters.

Note: The Setup Wizard may be able to detect the VPI/VCI configuration automatically, in which

case the values will be relected in the VPI/VCI field.

4. Click on Apply, then proceed to “Completing the Configuration“ on page 4-12.

Completing the Configuration

Click on the Test button to test your Internet connection. If the NETGEAR website does not

appear within one minute, refer to

Chapter 7, “Troubleshooting”.

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Netgear DSL Modem Internet Gateway DG814 User Manual Page 52