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Chapter 4

Managing Your Network

This chapter describes how to perform network management tasks such as viewing the gateway

status, running diagnostics, restoring factory default settings, and backing up your configuration

files.

Gateway Status

Under the Maintenance heading on the main menu, select Gateway Status. This Gateway Status

fields are described in the following table:

Table 4-1. Gateway Status Screen Settings

Setting

Description

Information

Standard Specification

Compliant

DOCSIS 2.0. This is the specification to which the gateway’s cable

interface is compatible.

Hardware Version

The hardware version of the gateway.

Software Version

The software version of the gateway.

Cable MAC Address

The MAC address used by the cable modem port of the gateway.

This MAC address may need to be registered with your cable

service provider.

Device MAC Address

The MAC address of the gateway. This is the equivalent of your

PC when connected to a cable modem. You can use the MAC

cloning feature to replace this MAC address with another address

when sending packets to the WAN.

Cable Modem Serial

Number

The serial number of the gateway 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.

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Connection Status

Under the Maintenance heading on the main menu, select Connection. The Connection screen

appears:

This screen shows detailed information about the status of your cable service provider connection

that can be used for troubleshooting. The gateway goes through these steps to be provisioned:

1.

Acquire and lock Downstream Channel.

2.

Acquire upstream parameters and range.

3.

Lock Upstream Channel.

4.

Acquire IP Address through DHCP.

Status

System Up Time

The time since the gateway has registered with your cable service

provider.

Network Access

This field will change to Allowed when the registration with your

cable service provider is complete.

Device IP Address

The IP address of the gateway, as seen from the Internet.

Figure 4-1

Table 4-1. Gateway Status Screen Settings

(continued)

Setting

Description

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The date and time is acquired from your cable service provider as part of the registration

procedure.

Viewing and Emailing Event Logs

The gateway logs security-related events such as denied incoming service requests and hacker

probes. You can enable e-mail notification to receive these logs in an e-mail message. Log entries

are described in the following table.

To receive logs and alerts by e-mail, you must provide your e-mail information in the Email

section of the Event Logs screen. From the main menu, select Event Log. The Event Log screen

displays:

Table 4-1:

Security Log entry descriptions

Field

Description

Description

The type of event and what action was taken if any.

Count

This is a reference number for each event.

Last Occurrence

The date and time the log entry was recorded.

Target

The name or IP address of the destination device of Web site.

Source

The IP address of the initiating device for this log entry.

Figure 4-2

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To enable emailing of logs:

1.

In the

Contact Email Address

field, type the e-mail address to which the logs will be sent.

Use a full e-mail address (for example, [email protected]).

2.

In the

SMTP Server Name

field, type the outgoing SMTP mail server of your ISP (for

example, mail.myISP.com). You may be able to find this information in the configuration

menu of your e-mail program. If you leave this field blank, no alerts or logs will be sent.

3.

Select the

E-mail Alerts Enable

check box.

4.

Click

E-mail Log

to send the log immediately

5.

Click

Apply

.

.

Restoring Factory Default Configuration Settings

The configuration settings are stored in a configuration file in the gateway. You can use Erase to

restore the factory default configuration settings. The default settings are listed in

“Factory Default

Settings” in Appendix A

.

To erase the configuration settings and return them to the factory default settings:

1.

Under the Maintenance heading on the main menu, select Set Password.

2.

For

Restore Factory Defaults

, select

Yes

.

3.

Click

Apply

. The gateway reboots.

After an erase, the gateway user name is

admin

and the password is

password

. The LAN IP

address is 192.168.0.1, and the DHCP client is enabled.

Figure 4-3

Note:

To restore the factory default configuration settings without knowing the login

password or IP address, use the reset button on the rear panel of the gateway.

Use a paper clip to press the button for at least 5 seconds.

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Running Diagnostic Utilities

You can use diagnostics to test connectivity to a PC with the ping command. From the main menu,

below the Maintenance heading, select Diagnostics. The Ping screen appears:

To perform a ping test:

1.

In the

Target

field, enter the IP address of the PC that you want to ping.

2.

If you want to specify additional details, you can set the Ping Size, No. of Pings, and the Ping

Interval.

3.

Click

Start Test

to begin the test. Test results are displayed on this screen.

•

To stop a test in progress, click

Abort Test

.

•

To delete the results of a ping test from the Results display, click

Clear Results

.

•

To update the results of a ping test, click

REFRESH

.

Setup Features

Setup features include viewing the MTA status, guest network, and Wi-Fi Multimedia (WMM).

Figure 4-4