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Showing Statistics

Click the

Show Statistics

button on the Router Status screen to display router usage statistics:

This following table explains the statistic fields.

Figure 4-4

Table 4-2.

Router Statistics Fields

Field

Description

WAN (Internet),

LAN, or WLAN

(Wireless LAN)

statistics

Status

The link status of the port.

TxPkts

The number of packets transmitted on this port since reset or

manual clear.

RxPkts

The number of packets received on this port since reset or

manual clear.

Collisions

The number of collisions on this port since reset or manual

clear.

Tx B/s

The average egress line utilization for this port.

Rx B/s

The average

ingress line utilization

for this port.

Up Time

The time elapsed since the last power cycle or reset.

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Connection Status

Click the

Connection Status

button on the Router Status screen to view the connection status:

This screen shows the following statistics:

ADSL Link

Downstream or

Upstream

These statistics

might help your

technical support

representative if

there is a connection

problem.

Connection Speed

Typically, the downstream speed is faster than the upstream

speed.

Line Attenuation

The line attenuation increases the further you are physically

located from your ISP’s facilities.

Noise Margin

This is the signal-to-noise ratio and is a measure of the quality

of the signal on the line.

Poll Interval

Specifies the interval at which the statistics are updated in this

window. Click

Stop

to freeze the display.

Figure 4-5

Table 4-3.

Connection Status Fields for HSDPA Status

Field

Description

Connection Status

The status of the Internet connection.

•

Scanning

. The modem is scanning for broadband wireless networks in your area.

•

Connected

. The router is connected to the Internet.

•

No USB Device Attached

. The router does not detect a USB modem connected to

its USB port. Either the modem is disconnected, or it is not correctly seated. To

correct the problem remove the modem and reinsert it into the port.

Table 4-2.

Router Statistics Fields

(continued)

Field

Description

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v1.1, March 2009

Viewing Attached Devices

The Attached Devices screen contains a table of all IP devices that the router has discovered on the

local network. From the main menu, under the Maintenance heading, select Attached Devices. The

Attached Devices screen displays:

For each device, the table shows the IP address, device name if available, and the Ethernet MAC

address. Note that if the router is rebooted, the table data is lost until the router rediscovers the

devices. To force the router to look for attached devices, click the

Refresh

button.

Received Signal

Quality (in dbm)

3G modem radio reception.

A small, negative number indicates good signal quality.

Bytes Transmitted

The number of bytes transmitted in the most recent connection session.

Bytes Received

The number of bytes received in the most recent connection session.

Tx B/s

The transmission rate.

Rx B/s

The receiving rate.

System Uptime

Time elapsed since the last reboot.

Connection

Duration

The time elapsed since the most recent connection to the Internet.

Available Networks

The broadband wireless networks available in your area.

Figure 4-6

Table 4-3.

Connection Status Fields for HSDPA Status (continued)

Field

Description

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v1.1, March 2009

Viewing, Selecting, and Saving Logged Information

The router logs security-related events such as denied incoming service requests, hacker probes,

and administrator logins. If you enabled content filtering in the Block Sites screen, the Logs screen

can show you when someone on your network tries to access a blocked site. If you enabled e-mail

notification, you receive these logs in an e-mail message. If you do not have

e-mail notification enabled, you can view the logs here.

An example of the logs file is shown in the following figure:

Log entries are described in the following table.

Figure 4-7

Table 4-4.

Security Log Entry Descriptions

Field

Description

Current time

The date and time the log entry was recorded.

Description or

action

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

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Log action buttons are described in the following table.

Selecting Which Information to Log

Besides the standard information listed previously, you can choose to log additional information.

Those optional selections are as follows:

•

Attempted access to blocked site

•

Connections to the Web-based interface of the router

•

Router operation (start up, get time, etc.)

•

Known DoS attacks and port scans

Saving Log Files on a Server

You can choose to write the logs to a computer running a syslog program. To activate this feature,

select to the

Broadcast on LAN

radio button or enter the IP address of the server where the syslog

file will be written.

Source IP

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

Source port and

interface

The service port number of the initiating device, and whether it

originated from the LAN or WAN.

Destination

The name or IP address of the destination device or website.

Destination port and

interface

The service port number of the destination device, and whether it is on

the LAN or WAN.

Table 4-5.

Log Action Buttons

Field

Description

Refresh

Refresh the log screen.

Clear Log

Clear the log entries.

Send Log

Email the log immediately.

Apply

Apply the current settings.

Cancel

Clear the current settings.

Table 4-4.

Security Log Entry Descriptions

Field

Description