Cisco RVS4000 - Gigabit Security Router User's Guide download pdf (Page 44)

Troubleshooting

4-Port Gigabit Security Router with VPN

Appendix A

I need to upgrade the rmware.

In order to upgrade the firmware with the latest features,

you need to go to the Linksys website and download the

latest firmware at www.linksys.com. Follow these steps:

Go to the Linksys website at1. www.linksys.com

and download the latest firmware. Go to System

Management -> Firmware Upgrade, and click

Firmware Download from Linksys Web Site. Select

the Router from the pull-down menu and choose the

firmware from the options.

Extract the firmware file on your computer.2.

To upgrade the firmware, follow the steps in the 3.

Upgrade section found in “Chapter 5: Setting Up and

Configuring the Router”.

The rmware upgrade failed.

The upgrade could have failed for a number of reasons. Use

the Linksys RVS4000 Firmware Rescue Utility to upgrade the

firmware. Follow these steps to upgrade the firmware:

Go to the Linksys website at http://www.linksys.com 1.

and download RVS4000 Firmware Rescue Utility v1.2,

which will be listed with the firmware. Save the zip file

to your computer.

Extract the file 2. setup.exe from the zip file, then run

setup.exe to install the utility on your computer.

Disconnect the network cables from 3. all of the Router’s

LAN and WAN ports, except the network cable to the

computer that has the firmware upgrade utility.

Run the utility by clicking 4. Start, All Programs, Linksys,

RVS4000 Upgrade Utility, RVS4000 Upgrade Utility,

or by double-clicking the icon on your desktop.

Follow the on-screen instructions to perform the 5.

upgrade.

My DSL service’s PPPoE is always disconnecting.

PPPoE is not actually a dedicated or always-on connection.

The DSL ISP can disconnect the service after a period of

inactivity, just like a normal phone dial-up connection to

the Internet. There is a setup option to “keep alive” the

connection. This may not always work, so you may need

to re-establish connection periodically.

To connect to the Router, go to the web browser, and 1.

enter http://192.168.1.1 or the IP address of the

Router.

Enter the password, if asked (default password is 2.

admin).

On the 3. Setup -> WAN tab, select the option Keep

Alive, and set the Redial Period option at 20 (seconds).

Click 4. Save Settings.

If the connection is lost again, follow steps 1 and 2 to re-

establish connection.

I can’t access my email, web, or VPN, or I am getting

corrupted data from the Internet.

The Maximum Transmission Unit (MTU) setting may need

to be adjusted. By default, the MTU is set at 1500. For most

DSL users, it is strongly recommended to use MTU 1492. If

you are having difficulties, perform the following steps:

To connect to the Router, go to the web browser, and 1.

enter http://192.168.1.1 or the IP address of the

Router.

Enter the password, if asked (the default password is 2.

admin).

Go to the 3. Setup -> WAN tab.

Look for the MTU option, and select 4. Manual. In the

Size field, enter 1492.

Click 5. Save Settings to continue.

If your difficulties continue, change the Size to different

values. Try this list of values, one value at a time, in this

order, until your problem is solved:

1462

1400

1362

1300

I need to use port triggering.

Port triggering looks at the outgoing port services

used and will trigger the Router to open a specific port,

depending on which port an Internet application uses.

Follow these steps:

To connect to the Router, go to the web browser, and 1.

enter http://192.168.1.1 or the IP address of the

Router.

Enter the password, if asked (the default password is 2.

admin).

Click the 3. Firewall -> Port Range Triggering tab.

Enter any name you want to use for the Application 4.

Name.

Enter the Start and End Ports of the Triggered Range. 5.

Check with your Internet application provider for

more information on which outgoing port services it

is using.

Enter the Start and End Ports of the Forwarded Range. 6.

Check with your Internet application provider for

more information on which incoming port services are

required by the Internet application.

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