Background:

 

This post provides a configuration guide for limiting the maximum number of clients who can connect to a Wi-Fi network via Voucher Portal authentication.

 

This Article applies to:

 

All Omada SDN EAP Products.

 

Application Scenario:

 

Network performance suffers when your Wi-Fi network is deployed in a crowded scenario with many clients connecting at the same time. Under this scenario, you can control the number of simultaneously connected clients to ensure the network experience.

 

 

Configuration Steps:

 

Step 1. Create an Open SSID

 

1. Launch Omada SDN controller, go to Site View > Settings > Wired&Wireless Networks > WLAN > Create New Wireless Network, choose the Security type as None, and click Apply.

 

2. Go to Settings > Authentication > Portal > Create New Portal, choose the SSID&Network as the SSID created in Step1, select Authentication Type as Hotspot, Type as Voucher, and click Apply.

 

3. Click Hotspot and you will be redirected to the Hotspot manager page.

 

Go to Vouchers > Voucher Groups > Create Vouchers Group. On this page, you can refer to the following example and then configure it to your actual needs.
 

 

Portal Privilege: select as Portal.

Portal: Select the portal profile we created in Step 2.

Code Length: Here we input it as 9, This will be the length of the voucher, which we can also say it's the password of the wifi network.

Code Amount: input as 1. With this configuration, only one voucher will be generated, so that there is only one valid voucher/password.

Type: Choose as Limited Online Users, the value entered in this field is the maximum number of simultaneous connections to this SSID. Here we input as 20, which means the 21st client will kick out the 1st client connecting to this network.

Duration Type: selected as Voucher Duration.

Timing: choose as By Time. this is the clients can use vouchers for the specified time duration.

Duration: Choose Custom, and give it as long as it allows. 

 

4. Go to Vouchers > Voucher Groups, you will see the voucher group created in Step 3.

Click the Details button, you will see the voucher/password of the SSID.

 

Verification:

 

Side Note: When doing the test in our lab, it's not easy to find 21 clients. We set the number of limited online users to 2 so that we could test with only 3 clients.

 

The first and second clients can connect to the SSD via the voucher/password and get internet access.

 

 

When the 3rd client is connected to the Network, the first client will be kicked out and lose Internet connection.

 

 

 

Note: 

As you can see from the verification section, the first connected client is kicked off the network by the third connected client.

This advice is not for you if you wish to preserve the current XX connections and reject all connections beginning with the XX+1st clients.

 

 

Feedback:

 

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Thank you in advance for your valuable feedback!

 

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