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EtherFast® 4124 24-Port 10/100 Ethernet Switch (EF4124)
• Compact Ethernet networking
• Speeds up to 100 Mbps
• Rack-mountable
• 24 ports with 10/100 and MDI/MDI-X autosensing
• Advanced error correction technology helps ensure greater transmission accuracy
View User Guide
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
- Product Information
- Finding the Model Number of your Linksys Device
- Compatible Devices that can be connected to a Linksys Switch
- List of Compatible Ethernet Cables for Linksys Switches
- Types of Ethernet Cable used when Connecting a Switch to Another Switch
- Setting up your switch
- Checking the Switch LED Status Indicators
- Connecting a Linksys Switch to a Router
- Checking if the Router is Working Properly when Connected to a Switch
- Checking if the Modem is Working Properly when Connected to a Hub or Switch
- Determining if the Hub or Switch is Working Properly
- Advanced Troubleshooting
- Encountering Problems when Networking Computers Using a Switch
- Cascading your Switch to Another Switch
- Resolving Problems with Unlit LED Indicators on a Linksys Switch
- Product Information
- Finding the Model Number of your Linksys Device
- Compatible Devices that can be connected to a Linksys Switch
- List of Compatible Ethernet Cables for Linksys Switches
- Types of Ethernet Cable used when Connecting a Switch to Another Switch
- Setting up your switch
- Checking the Switch LED Status Indicators
- Connecting a Linksys Switch to a Router
- Checking if the Router is Working Properly when Connected to a Switch
- Checking if the Modem is Working Properly when Connected to a Hub or Switch
- Determining if the Hub or Switch is Working Properly
- Advanced Troubleshooting
- Encountering Problems when Networking Computers Using a Switch
- Cascading your Switch to Another Switch
- Resolving Problems with Unlit LED Indicators on a Linksys Switch
- Forums
-
link/act led blinks with no cable attached
I think you can Unplug the Power from the switch and keep it unplug for 30 seconds and again plug the power to your switch...
-
Setting up a 24-Port (EF4124) switch with a DSL Modem
1. You most likely have to use a router. Only a router shares a single public IP address with multiple computers in the...
-
Loss of data signal (EF4124)
Hi , Ok for a first time you can see the log of your modems,if you have access to monitor them.There you must se if...
-
EF4124 Collision
I think that u have all tried and tested everything with switchâ?¦except for trying a different cat5 cable.
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EF4124 Configuration Help
well...this is only a simple switch...it doesn't have its own ip address and web utility....and yes , the light status is...
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Block specific external ip address
Not possible.1. Unless you forward a port the server can't be accessed anyway.2. If you forward a port to the server set...
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Auto DHCP and Static IP together
Definitely! That's the usual practice, if you have devices that needs port forwarding you set static IP address on it. Just...
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Having Trouble With My MTU Settings
Follow this, It will surely work...Open an Internet Explorer browser page.In the address bar type - 192.168.1.1Leave username...
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VPN connection Problem
The port forwarding is under the Applications Gaming then Port Range Forward. The application filed can be anything you...
- Downloads
-
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.7NOTE: 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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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.
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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.
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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.
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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.
-
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.
-
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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Guide Me
Get quick solutions and troubleshooting tips.
Hot Topics
Frequently asked questions
Frequently Asked Questions for various Operating Systems
Forums
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.
Guides and Information
How to find your model or serial number
To find model or serial numbers, choose your device below.
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WIRELESS HOME AUDIO
Forums
-
link/act led blinks with no cable attached
I think you can Unplug the Power from the switch and keep it unplug for 30 seconds and again plug the...
-
Setting up a 24-Port (EF4124) switch with a DSL Modem
1. You most likely have to use a router. Only a router shares a single public IP address with multiple...
-
Loss of data signal (EF4124)
Hi , Ok for a first time you can see the log of your modems,if you have access to monitor them.There...
-
EF4124 Collision
I think that u have all tried and tested everything with switchâ?¦except for trying a different cat5...
Guide Me
Get quick solutions and troubleshooting tips.