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Chapter 5.

Network Maintenance

N300 Wireless ADSL2+ Modem Router DGN2200

4.

Select

Maintenance > Router Upgrade

to display the following screen:

5.

Click

Browse

, and locate the firmware you downloaded (the file ends in .img).

6.

Click

Upload

to send the firmware to the modem router.

When the upload is complete, your modem router restarts. The upgrade process typically

takes about 1 minute. Read the new firmware release notes to determine whether or not

you need to reconfigure the modem router after upgrading.

Manage the Configuration File

The modem router configuration settings are stored in a configuration file (*.cfg). This file can

be backed up to your computer, restored, or used to revert to factory default settings.

Back Up

1.

Select

Maintenance >

Backup Settings

to display the following screen:

2.

Click

Save

to save a copy of the current settings.

3.

Choose a location to store the .cfg file that is on a computer on your network.

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N300 Wireless ADSL2+ Modem Router DGN2200

Restore

1.

Enter the full path to the file on your network, or click the

Browse

button to find the file.

2.

When you have located the .cfg file, click the

Restore

button to upload the file to the modem

router.

Upon completion, the modem router reboots.

Erase

Click the

Erase

button to reset the modem router to its factory default settings. Erase sets the

password to

password

, the LAN IP address to

192.168.0.1

, and enables the modem router’s

DHCP.

View Router Status

Select

Maintenance > Router Status

to display

this screen. The Router Status screen provides

status and usage information.

Hardware and Firmware Version

. The model

of the hardware and the currently running

firmware version.

GUI Language Version

. The currently selected

language.

Internet Port Settings

MAC Address

. The Ethernet MAC address of

the DSL port.

IP Address

. The DSL port IP address. If no

address is shown, the modem router cannot

connect to the Internet.

Network Type

. The value depends on your ISP.

IP Subnet Mask

. The DSL port IP subnet mask.

Gateway IP Address

. The IP address used as a

gateway to the Internet for computers configured

to use DHCP.

Domain Name Server

. The modem router DNS

server IP addresses. These addresses are

usually obtained dynamically from the ISP.

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Chapter 5.

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LAN Port (Local Ports)

MAC Address

. The modem router LAN port Ethernet MAC address.

IP Address

. The modem router LAN port IP address. The default is 192.168.0.1.

DHCP

. If Off, the modem router does not assign IP addresses to PCs on the LAN. If On, the

modem router does assign IP addresses to PCs on the LAN.

IP Subnet Mask

. The IP subnet mask used by the modem router LAN. The default is

255.255.255.0.

Modem

ADSL Firmware Version

. The version of the firmware.

Modem Status

. The connection status of the modem.

DownStream Connection Speed

. The modem receives data from the DSL line at this

speed.

UpStream Connection Speed

. The modem transmits data to the DSL line at this speed.

VPI

. The Virtual Path Identifier setting.

VCI

. The Virtual Channel Identifier setting.

Wireless Port

See

Wireless Settings Screen

on page

33 for a more detailed description of these settings.

Name (SSID)

. The Wi-Fi network name (service set ID) for the wireless network.

Region

. The country where the unit is set up for use.

Channel

. The current channel, which determines the operating frequency.

Mode

. The current mbps setting.

Wireless AP

. Indicates if the access point feature is enabled. If disabled, the Wireless LED

on the front panel is off.

Broadcast Name

. Indicates if the modem router is configured to broadcast its SSID.

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Show Statistics

Click the

Show Statistics

button on the Router Status screen to display a screen similar to

this:

Port

The statistics for the WAN (Internet), LAN (local), and wireless LAN (WLAN) ports. For each

port, the screen displays the following:

•

Status

. The link status of the port.

•

TxPkts

. The number of packets transmitted since reset or manual clear.

•

RxPkts

. The number of packets received since reset or manual clear.

•

Collisions

. The number of collisions since reset or manual clear.

•

Tx B/s

. The current line utilization—percentage of current bandwidth used.

•

Rx B/s

. The average line utilization.

•

Up Time

. The time elapsed since the last power cycle or reset.

ADSL Link Downstream or Upstream

The statistics for the upstream and downstream DSL link. These statistics are of interest to

your technical support representative if you have problems obtaining or maintaining a

connection.

•

Connection Speed

. Typically, the downstream speed is faster than the upstream speed.

•

Line Attenuation

. The line attenuation increases the farther you are physically located

from your ISP’s facilities.

•

Noise Margin

. The signal-to-noise ratio, which is a measure of the quality of the signal on

the line.

•

Poll Interva

l. The interval at which the statistics are updated in this window. Click the

Stop

button to freeze the display.

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Chapter 5.

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Connection Status

In the Router Status screen, click the

Connection Status

button to display a screen similar to

this:

•

Connection Time

. The time elapsed since the last connection to the Internet through the

DSL port.

•

Connecting to sender

. The connection status.

•

Negotiation

. On or Off.

•

Authentication

. On or Off.

•

Getting IP Address

. The IP address assigned to the WAN port by the ISP.

•

Getting Network Mask

. The network mask assigned to the WAN port by the ISP.

View Attached Devices

The Attached Devices screen shows all IP devices that the modem router has discovered on

the local network.

Select

Maintenance >

Attached Devices

.

For each device, the table shows the IP

address, the device name if available, and the

Ethernet MAC address. Note that if the modem

router is rebooted, the table data is lost until the

modem router rediscovers the devices. To force

the modem router to look for attached devices,

click the

Refresh

button.