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32
Chapter 5: Setting Up and Configuring the Router
System Management Tab - Diagnostic
10/100 8-Port VPN Router
System Management Tab - Diagnostic
The Router has two built-in tools that will help with troubleshooting network problems.
DNS Name Lookup
The Domain Name Service (DNS) allows to look up websites by entering an easily remembered host name, such
as www.RV082.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 in the
Look up the name
field and click the
Go
button. Do not add the prefix “http://”,
otherwise the search will result in an “Address Resolving Failed” message. The Router will then query the DNS
server and display the result below.
Ping
The Ping test bounces a packet of data off an IP Address and back again to the sender. This test shows if the
Router is able to contact the remote host. If users on the network are having problems accessing services on the
Internet, try pinging the DNS server, or another machine at the ISP’s location. If this test is successful, try pinging
other IP Addresses. This will show if the problem lies with the ISP’s connection or the other IP Address.
Enter the IP address being 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 at the bottom of the Web browser window. The
results include Packets transmitted / received / loss and Round Trip Time (Minimum, Maximum, and Average).
NOTE:
The Ping test requires an IP address. The Router’s DNS Name
Lookup tool may be used to find the IP address.
NOTE:
The DNS Server’s IP address must be entered in the Network page of the
Setup Tab (see Figure 5-5) for the DNS Name Lookup feature to function.
Figure 5-28: System Management Tab -
DNS Name Lookup
Figure 5-29: System Management Tab - Ping
ping:
an Internet utility used to determine
whether a particular IP address is online
Page 42 / 105
33
Chapter 5: Setting Up and Configuring the Router
System Management Tab - Factory Default
10/100 8-Port VPN Router
System Management Tab - Factory Default
The
Factory Default
button 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, asking if you are sure you want to restore the settings to
default will appear. Click
OK
to continue. Another screen will then appear to show that the system is rebooting.
System Management Tab - Firmware Upgrade
Firmware Upgrade
Use this 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
Click the
Firmware Download from Linksys Web Site
button to download the Router’s Firmware from the
Linksys Support page. 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.
Figure 5-30: System Management Tab - Factory Default
Figure 5-31: Are You Sure
Figure 5-32: System Management Tab -
Firmware Upgrade
download:
to receive a file transmitted over a network
Page 43 / 105
34
Chapter 5: Setting Up and Configuring the Router
System Management Tab - Restart
10/100 8-Port VPN Router
System Management Tab - Restart
When restarting the Router, you should use this Restart tool. Restarting with this button will send out a log file
before the box is reset. Select the
Active Firmware Version
or
Backup Firmware Version
. Click the
Restart
Router
button to restart the Router.
System Management Tab - Setting Backup
From this screen, you can make a backup file of the Router’s Preferences.
Import Configuration File:
You will need to specify where your Preferences file is located. Click the
Browse
button and select a Preferences
file. This should have been previously saved using the Export button. 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:
Click the
Export
button and choose where you would like to store your Preferences file. This file will be called
“RV082.exp” by default, but you may rename it if you wish. This process may take up to a minute.
Port Management Tab - Port Setup
From this screen, you can configure the connection status for each port, such as Priority, Speed, Duplex and Auto
Negotiation.
Basic Per Port Config.
The port information and modifications are displayed according to the following columns.
Port ID
: This signifies which port is being configured.
Interface
: This column shows the type of port you are configuring.
Disable
: Checking this box will disable the corresponding port.
Priority
: Select
High
or
Normal
for Port-based QoS (Quality of Service). Port-based QoS is used to maximize
network performance and this setting allows you to prioritize performance on eight LAN ports.
Figure 5-33: System Management Tab - Restart
Figure 5-34: System Management Tab -
Setting Backup
Figure 5-35: Port Management Tab - Port Setup
Page 44 / 105
35
Chapter 5: Setting Up and Configuring the Router
Port Management Tab - Port Status
10/100 8-Port VPN Router
Speed
: This allows you to manually configure the per-port speed as
10Mbps
or
100Mbps
.
Duplex
: This configures the port to half-duplex or full-duplex throughput.
Auto Negotiation
: If enabled, every LAN port will be set as auto negotiated, which will automatically manage
speed and throughput.
VLAN
: For each LAN port, a VLAN (a Virtual LAN, or network within your network) can be established. Up to eight
VLANs can be established.
Click the
Save Settings
button to save the Port settings or click the
Cancel Changes
button to undo your
changes.
Port Management Tab - Port Status
Users can choose the port number from the pull down menu to see the status of the selected port.
The Summary table will show the settings for the selected port, such as Type, Link Status (up or down), Port
Activity (Enabled or Disabled), Priority (High or Normal), Speed Status (10Mbps or 100Mbps), Duplex Status (Half
or Full), Auto negotiation (Enabled or Disabled).
The Statistics table will show the port receive/transmit packet count/packet byte count and Port Packet Error
Count of the selected port. Click the
Refresh
button to refresh the port status.
Figure 5-36: Port Management Tab - Port Status
Half-Duplex:
data transmission that can occur in two
directions over a single line, but only one direction at a time.
Page 45 / 105
36
Chapter 5: Setting Up and Configuring the Router
Firewall Tab - General
10/100 8-Port VPN Router
Firewall Tab - General
From the Firewall Tab, you can configure the Router to deny or allow users from accessing the Internet or even
network servers. You can set up different packet filters for different users within your network based on their
network Port number or access from the Internet based on their IP addresses.
Firewall
: The Firewall function is enabled by default. If this function is disabled, SPI, DoS, Block WAN Request
will also be disabled. Remote Management will be enabled and Access Rules and Content Filter will be disabled.
SPI
(Stateful Packet Inspection): The Router's Firewall uses Stateful Packet Inspection to maintain connection
information that passes through the firewall. It will inspect all packets based on the established connection, prior
to passing the packets for processing through a higher protocol layer.
DoS
(Denial of Service): Protect internal networks from Internet attacks, such as SYN Flooding, Smurf, LAND,
Ping of Death, IP Spoofing and reassembly attacks.
Block WAN Request
: This feature is designed to prevent attacks through the Internet. When it is enabled, the
Router will drop both the unaccepted TCP request and ICMP packets from the WAN side. The hacker will not find
the Router by pinging the WAN IP address. If DMZ is enabled, this function will be disabled.
Remote Management
: This Router supports remote management. If you want to manage this Router through the
WAN connection, click
Enable
. Then, specify which port you wish to use for remote management (eg. 80 or
8080).
HTTPS
: Enabling this function allows remote login to the Router using SSL as well as remote access to your
network through the Linksys QuickVPN software will be available.
Multicast Pass Through
: IP Multicasting occurs when a single data transmission is sent to multiple recipients at
the same time. Using this feature, the Router allows IP multicast packets to be forwarded to the appropriate
computers.
MTU
(Maximum Transmission Unit): This feature is enabled by default and should remain enabled. It specifies the
largest packet size permitted for network transmission. The default of MTU size is 1500 bytes.
Restrict WEB features
Select which type of Internet feature -
Java
,
Cookies
,
ActiveX
, or
Access to HTTP Proxy Servers
- you would
like to restrict by click on the box beside them. If you would like to leave trusted sites unblocked, click
Don’t
Block Java/ActiveX/Cookies/Proxy To Trusted Domains
.
Figure 5-37: Firewall Tab - General
multicasting:
sending data to a
group of destinations at once

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