Linksys Support

Dual-Band Wireless A/G Broadband Router (WRT54AG)

Get Connected--to the Internet and each other. Surf, store, stream and share. A Linksys by Cisco device is an essential part of your home network.

Support Sections

Guide Me provides step-by-step solutions and troubleshooting tips. FAQs are frequently asked product questions. Select Downloads for user guides and firmware updates.

Overview
Guide Me

FAQs

Forums

Forums

E4200 causing DynDNS Abuse
Well after spending a good half hour arguing with a first level tech and then holding for another 20-30 min, I finally got...
Connecting to Wireless Network
Hey, I've been having a ton of problems with fixing my connection with my wireless network. A few months ago, I lost...
WRT54G wireless connection issues
There are many causes for poor wireless connections, and many solutions:First of all, give your network a unique SSID. Do...
Possibility of two networks with different WEP/WPA encryptions
The wireless security settings only apply to wireless links to the router, i.e. wireless computers or other wireless devices....
Sharing resources between computers
You have set your system up as two separate subnets. This is why you are having trouble sharing resources. What...
IIssue with Nat type 3 on PS3
*THIS ISSUE HAS BEEN SOLVED* I solved this issue after it seemed like I tryed everything but nothing worked....
Unable to view all bands WPC600N & WUSB600N
Bands are backward compatible you will see both the bands but within each band you will have access to the protocols listed...
Problem saving settings
Disconnect the routers from each other. Setup each router separately. Then wire them together. How are...
WRT54AG as access point
Yes it is possible then you have to make connections from LAN on the first router to LAN on the second router.Disable DHCP...
WRT54AG as access point
Yes, you can do that. I am assuming that your wired router is a Linksys, but even if it is not, your proposal will...
Advantage of cloning the MAC Address
There is no "advantage" of cloning the MAC address. The only advantage would be to have internet or not.In many...
Problems with Port Scan and Syn Flood
O.K. That's why it is always better to post logs in the beginning: Go to the Status page of your router and check the IP...
I Pushed The Reset Button
Connect your computer directly to the router. Follow the procedure below. For DSL connection, here's the procedure.For...
Not Fully Loaded Configuration Screen of a WRT54G v5 WIFI Router
Download the Setup wizard from here also download the firmware for WRT54 v5. Follow these steps to upgrade the...
WRH54G slow wireless file transfer
Fast ethernet has a theoretical maximum of 100 Mbps. In reality you'll usually see about 90 Mbps. If you can get 95 Mbps...
WRT120N - Static IP Routing and Connection Drops
Don't turn off the DHCP server. The computers don't get an IP address and thus will show "limited connectivity". DHCP...
No Wireless Internet Connection Via Laptop
When you Hardwired you computer to the Router are you able to going online? If yes, then i think you need to change the...
Block Diagram
Modem -->> WRT54G -->> WRT54GS -->> Switch change the ip add of the WRT54G be 192.168.1.2, DHCP disabled...
Fatal Security Flaw in WRT54GS?
It's not security flaw. It's an old router beginning to loose it's memory. If some parts of the configuration get corrupted...
WPA2 security vs. WPA2/WPA mixed mode
WPA2 is the next generation of Wi-Fi security. It is the Wi-Fi Alliance's interoperable implementation of the ratified IEEE...
Duplicate Networks
1. Check what you really have: wire a computer to your router, open the web interface and find out the current wireless...
How to change internet providers
If you are changing the internet service provider from DSL to Cable then in that case you need to uninstall the existing...
Relocated wireless wrt54gs from uk to australia
Again: it's not the WRT fault. The MAC address is the hardware address of the wireless in the WRT. That's not wrong. That's...
Setting up Wireless Security/access for a WRT54GL?
Hello. Yes, it's under that tab. Basically, you just need to set up your own WPA/WPA2 personal key. Go to Wireless >...
Suggestion for Configuring a Tightly Secured Router including Wireless...
1. Disabling the SSID broadcast is useless. Any driveby will still immediately detect the access point because it has to...

Downloads

Downloads

Please ensure you select the correct hardware version as not all downloads are compatible with your device.

Free Software notice for certain products, click here.

Where's my model number?

License Agreement

How to find your model or serial number

To find model or serial numbers, choose your device below.

VALET HOTSPOTS

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your product. The serial number is located right underneath the model number. In this example, the model number of the device is M20.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

WIRELESS ROUTERS AND ACCESS POINTS

E-Series

Step 1:
Look at the top of the device.

Step 2:
The model number should be found under the CISCO logo.

NOTE: The images may vary depending on the exact model number of your Linksys product. The serial number is located underneath the device. If there is no version number beside the model number, it means that it is a version 1.
Blue and Black

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is WRT54G ver 6.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Silver

Step 1:
Look at the side panel of the router when it is standing vertically.

Step 2:
You should find the model number on the sticker. Please see the example.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRT54GX4.
Wireless Routers with Voice Ports

Step 1:
Look at the side panel of the router when it is standing vertically.

Step 2:
You should find the model number on the sticker. Please see the example.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRTP54G V.2.
Wireless VPN Routers

Step 1:
Look at the side panel of the router when it is standing vertically.

Step 2:
You should find the model number on the sticker. Please see the example.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRV54G.

WIRED ROUTERS

Blue and Black

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is BEFSR41 ver.4.1.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

WIRELESS ADAPTERS

PC Card or Card Bus

Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.

Step 2:
You should find the model number on the device itself. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WPC54G ver.7

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
PCI Adapter

Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.

Step 2:
You should find the model number on the device itself. Please see the example.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WMP54G ver.4.1.
USB Wireless Adapter

Step 1:
Look for the sticker around the device.

Step 2:
You should find the model number on the sticker. Please see the example.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WUSB54G ver.4.

WIRED ADAPTERS

PCI Adapters

Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.

Step 2:
You should find the model number on the device itself. Please take note of the exact model number and version. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

SWITCHES

SE Switches

Step 1:
Look at the top of the device.

Step 2:
The model number should be found under the CISCO logo.

Step 3:
Take note of the exact model number and version of your product. The serial number is located underneath the device. In this example, the model number of the device is SE1500.

NOTE: The images may vary depending on the exact model number of your Linksys product. If there is no version number beside the model number, it means that it is a version 1.

BRIDGES

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.

MEDIA HUB

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is NMH410.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

WIRELESS HOME AUDIO

Step 1:
Flip the device over.

Step 2:
You should find the model number on the sticker underneath the device. Please see the example.

Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is DMC250.

NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

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Forums

E4200 causing DynDNS Abuse
Well after spending a good half hour arguing with a first level tech and then holding for another 20-30...
Connecting to Wireless Network
Hey, I've been having a ton of problems with fixing my connection with my wireless network. A few...
WRT54G wireless connection issues
There are many causes for poor wireless connections, and many solutions:First of all, give your network...

See All Forum Topics

User Guides

User Guide

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Dual-Band Wireless A/G Broadband Router (WRT54AG)

Support Sections

Guide Me

Hot Topics

Frequently asked questions

Forums

Downloads

Firmware

Guides and Information

How to find your model or serial number

VALET HOTSPOTS

WIRELESS ROUTERS AND ACCESS POINTS

E-Series

Blue and Black

Silver

Wireless Routers with Voice Ports

Wireless VPN Routers

WIRED ROUTERS

Blue and Black

WIRELESS ADAPTERS

PC Card or Card Bus

PCI Adapter

USB Wireless Adapter

WIRED ADAPTERS

PCI Adapters

SWITCHES

SE Switches

BRIDGES

MEDIA HUB

WIRELESS HOME AUDIO

WRT54AG Videos

Live Chat

Welcome to Live Chat Support!

Forums

User Guides

Guide Me

Live Chat

Frequently asked questions

Customer Service

Videos

License Agreement

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