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25
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - System Management
Broadband Router
Advanced Setup Tab - System Management
The
System Management
screen includes several tools to help troubleshoot network problems, such as looking
up DNS names, ping tests, resetting the Router to factory default settings, upgrading the Router’s firmware, and
storing and retrieving configuration files.
Diagnostics
DNS Name Lookup
The Internet has a service called the Domain Name Service (DNS), which allows users to enter an easily
remembered host name, such as www.RT042.com, instead of numerical TCP/IP addresses to access Internet
resources. The Router has a DNS lookup tool that will return the numerical TCP/IP address of a host name.
Enter the host name to look up in the
Look up the name
field and click the
Go
button. Do not add the prefix
http://
,
otherwise the result will be Address Resolving Failed. The Router will then query the DNS server and display the
result in the Diagnostics section of the screen.
Ping
The Ping test bounces a packet off an IP Address across the Internet, which returns to the sender. This test shows
if the Router is able to contact a remote host. If users on the LAN are having problems accessing services on the
Internet, try pinging the DNS server, or another IP Address at the ISP’s location. If this test is successful, try
pinging addresses outside the ISP. This will show if the problem lies with the ISP’s connection.
Enter the IP address you wish to pinged and click the
Go
button. The test will take a few seconds to complete.
Once completed, a message showing the results will be displayed in the Diagnostics section of the screen. The
results include Packets transmitted / received / loss and Round Trip Time (Minimum, Maximum, and Average).
Figure 5-28: Advanced Setup Tab - System Management
NOTE:
Ping tests require an IP address. The Router’s DNS Name
Lookup tool may be used to find the IP address of a host.
NOTE:
The IP address of the DNS server must be entered in the Network
Settings page for the DNS Name Lookup feature to function.
DNS
(
D
omain
N
ame
S
erver): the IP address of your ISP's server,
which translates the names of websites into IP addresses.
ping
: an Internet utility used to determine
whether a particular IP address is online.
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Page 32 / 68
26
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - System Management
Broadband Router
Factory Default
The Factory Default feature can be used to clear all of your configuration information and restore the Router to its
factory default settings. Only use this feature if you wish to discard all other configuration preferences.
Click the
Return to Factory Default Setting
button if you want to restore the Router to the factory default
settings. After clicking the button, another screen will appear, confirming that you’d like to restore the factory
default settings. Click
OK
to reboot the Router.
Firmware Upgrade
Users can use the following function to upgrade the Router’s firmware to the newest version. If you have already
downloaded the firmware into your computer, then click the
Browse
button to look for the file. Then, click the
Firmware Upgrade Right Now
button.
Firmware Download
Users can click the
Firmware Download from Linksys Web Site
button to link to the downloads on the Support
page of the Linksys website. Select the Router from the pull-down menu and choose the firmware from the
options. After downloading the firmware, follow the Firmware Upgrade instructions above.
Import Configuration File
Before importing a configuration file, you will need to specify where it is located. Click the
Browse
button, and
select a file that you have previously saved using the Export button in the window that opens. After you select the
file, click the
Import
button. This process may take up to a minute.
You will then need to restart the Router in
order for the changes to take effect.
Export Configuration File
To export a configuration file, click the
Export
button. You will be asked where you would like to store the file.
This file will be called “RV042.exp” by default, but you may rename it if you wish. This process may take up to a
minute.
download:
to receive a file
transmitted over a network.
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Page 33 / 68
27
Chapter 5: Setting Up and Configuring the Broadband Router
Log Tab - System Log
Broadband Router
Log Tab - System Log
The System Log screen contains three functions: Syslog, E-mail and Log Setting.
Syslog
The System Log (of Syslog) function logs network activity with the use of a separate Syslog server. You need a
Syslog server for this feature to work.
Enable Syslog
: Check this box to enable logging.
Syslog Server
: In addition to the standard event log, the Router can send a detailed log to an external Syslog
server. Syslog is an industry-standard protocol used to capture information about network activity. The Router’s
Syslog captures all log activity and includes every connection source and destination IP address, IP service, and
number of bytes transferred. Enter the Syslog server name or IP address in the
Syslog Server
field. Restart the
Router for logging to take effect.
E-mail
Enable E-Mail Alert
: Check this box to enable E-Mail Alert, informing you of network activity.
Mail Server
: To have a log or alert information e-mailed to you, enter the name or IP address of your SMTP server
here. Your Internet Service Provider can provide you with this information.
Send E-mail To
: This is the E-mail address where your log files will be sent. Leave this field blank if you do not
want to receive copies of your log information.
Log Queue Length
: The default length is 50 entries. The Router will e-mail the log when the number of log
entries exceeds the queue.
Log Time Threshold
: The default time is 10 minutes. In this case, the Router will e-mail the log every 10
minutes.
The Router will e-mail the log when it meets either the Log Queue Length or Log Time Threshold settings.
E-mail Log Now
: Click the
E-mail Log Now
button to immediately send the log to the address in the
Send E-mail
to
field.
Figure 5-29: Log Tab - System Log
byte:
aunit of data that is
usually eight bits long
SMTP
(
S
imple
M
ail
T
ransfer
P
rotocol): the
standard e-mail protocol on the Internet.
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28
Chapter 5: Setting Up and Configuring the Broadband Router
Log Tab - System Statistics
Broadband Router
Log Setting
Alert Log
Check the appropriate box when you want receive alert logs for any of the following events:
Syn Flooding
,
IP
Spoofing
,
Win Nuke
,
Ping of Death
and
Unauthorized Login Attempt
.
General Log
Check the appropriate box when you want to receive alert logs for any of the following events:
System Error
Messages
,
Deny Policies
,
Allow Policies
,
Configuration Changes
and
Authorized Login
.
View System Log
: Click this button to view
ALL
logs,
System Log
,
Access Log
,
Firewall Log
, or
VPN Log
.
Outgoing Log Table
: Click this button to view the outgoing packet information.
Incoming Log Table
: Click this button to view the incoming packet information.
Clear Log Now
: This button will clear out your log without e-mailing it. Only use this button if you don't mind
losing your log information.
Click the
Save Settings
button to save your Log settings, or click the
Cancel Changes
button to undo the
changes.
Log Tab - System Statistics
This tab displays the system statistics including the Device Name, Status, IP Address, MAC Address, Subnet
Mask, Default Gateway, DNS, Received Packets, Sent Packets, Total Packets, Received Bytes, Sent Bytes, Total
Bytes, Error Packets Received and Dropped Packets Received for the Ethernet ports as well as both of the
Internet ports.
Click the
Refresh
button to update these statistics.
Figure 5-30: Log Tab - System Statistics
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Page 35 / 68
29
Appendix A: Troubleshooting
Common Problems and Solutions
Broadband Router
Appendix A: Troubleshooting
This appendix provides solutions to problems that may occur during the installation and operation of the Router.
Read the descriptions below to help solve your problems. If you can't find an answer here, check the Linksys
website at
www.linksys.com
.
Common Problems and Solutions
1.
I need to set a static IP address on a PC.
The Router, by default, assigns an IP address range of 192.168.1.100 to 192.168.1.149 using the DHCP server
on the Router. To set a static IP address, you can only use the ranges 192.168.1.2 to 192.168.1.99 and
192.168.1.150 to 192.168.1.254. Each PC or network device that uses TCP/IP must have a unique address to
identify itself in a network. If the IP address is not unique to a network, Windows will generate an IP conflict
error message.
You can assign a static IP address to a PC by performing the following steps:
For Windows 98 and Millennium:
A.
Click
Start
,
Setting
, and
Control Panel
. Double-click
Network
.
B.
In
The following network components are installed
box, select the
TCP/IP
-> associated with your
Ethernet adapter. If you only have one Ethernet adapter installed, you will only see one TCP/IP line with no
association to an Ethernet adapter.
Highlight it and click the
Properties
button.
C.
In the
TCP/IP properties
window, select the
IP address
tab, and select
Specify an IP address
. Enter a
unique IP address that is not used by any other computer on the network connected to the Router. You can
only use an IP address in the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151 to 192.168.1.254.
Make sure that each IP address is unique for each PC or network device.
D.
Click the
Gateway
tab, and in the
New Gateway
prompt, enter
192.168.1.1
, which is the default IP
address of the Router. Click the
Add
button to accept the entry.
E.
Click the
DNS
tab, and make sure the
DNS Enabled
option is selected. Enter the Host and Domain names
(e.g., John for Host and home for Domain). Enter the DNS entry provided by your ISP. If your ISP has not
provided the DNS IP address, contact your ISP to get that information or go to its website for the
information.
F.
Click the
OK
button in the
TCP/IP properties
window, and click
Close
or the
OK
button for the
Network
window.
G.
Restart the computer when asked.
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