Maintaining Your Network

41

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

The following table describes the fields displayed in this screen:

View the Connection Status

You can track the modem router’s initialization procedure, and get details about the

downstream and upstream cable channel. The time appears after the modem router is

initialized.



To view the modem router’s initialization procedure:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

Modem Field

Description

Standard Specification

Compliant

DOCSIS 3.0

Hardware Version

The hardware version of the modem router.

Software Version

The version of firmware currently running on the modem router.

Cable MAC Address

The MAC address used by the cable modem port of the modem router. This

MAC address might need to be registered with your cable service provider.

Device MAC Address

The WAN MAC address used by the device.

Cable Modem Serial Number

The serial number of the modem router hardware.

CM certificate

If the cable modem certificate is installed, it is possible for the service

provider to upgrade your Data Over Cable service securely.

System Up Time

Time since the last boot-up.

Network Access

Shows whether traffic can be forwarded from the LAN to the network.

Cable Modem IP Address

The current Internet IP address. If assigned dynamically and not connected

to the Internet, this field is blank.

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2

The modem router main menu displays.

3.

In the main menu, under Maintenance, select

Connection

.

The following screen displays:

The modem router automatically goes through the following steps in the provisioning

process:

•

Scans and locks the downstream frequency and links back in the upstream direction.

•

Obtains a modem router IP address for the modem router itself.

•

Assigns an IP address for the connected computer.

•

Connects to the Internet.

Back Up and Restore Your Settings

The configuration settings of the modem router are stored in a configuration file in the modem

router.

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2



To back up the settings:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Maintenance, select

Backup

.

The following screen displays:

4.

Click the

Back Up

button.

If you did not set up your browser to save downloaded files automatically, indicate where

you want to save the file and click the

Save

button.

If you did set up your browser to save downloaded files automatically, the file is saved to

the browser’s download location on the hard drive.



To restore the backup settings:

1.

Type

in the address field of your web browser.

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Maintenance, select the

Back Up

button.

The following screen displays:

4.

Click the

Browse

button.

5.

Locate and select the previously saved backup file, then click the

Restore

button.

A message notifies you when the modem router has been restored to the previous

settings. Then the modem router restarts, which takes about one minute.

Note:

When restoring configuration settings, do not interrupt the process by

going online, turning off the modem router, or shutting down the

computer.

View the Event Log

The modem router logs security-related events such as denied incoming service requests

and hacker probes.

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2



To view or clear the event log:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Maintenance, select

Event Log

.

The following screen displays:

4.

Do one of the following:

•

To clear the log, click the

Clear Log

button.

•

To refresh the log, click the

Refresh

button.