Port Forwarding the Alice Box AH4021 Router for Network Thermostat RP32-WIFI


What is Port Forwarding?

If you don't know what Port Forwarding is yet, you might want to start by reading our What is Port Forwarding guide.

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Home > Routers > Alice Box > AH4021 > Network Thermostat RP32-WIFI

Before Forwarding a Port Setup a Static IP Address

To setup port forwarding on the Alice Box AH4021 router your computer needs to have a static IP address. You should complete one of the following steps first:


Now that you have setup a Static IP Address on your computer, please enter the IP address that you assigned to your computer here:

Don't Skip This Step!

Login to the Alice Box AH4021 Router

Now we need to know your routers IP address. You can find it a variety of ways.

How To Find Your Alice Box AH4021 Router IP Address

It's ok if you don't know your Alice Box AH4021 router's internal IP address. You can find it by doing one of the following:

Login To The Alice Box AH4021 Router Using Your Web Browser

Open a web browser like Internet Explorer or Firefox. Enter the internal IP address of your router in the address bar of your browser.

Alice Box AH4021 Screenshot 0

In the picture above the address bar has http://www.google.com in it. Just replace all of that with the internal IP address of your Alice Box AH4021 router. By default the IP address should be set to 192.168.1.1.

Alice Box AH4021 Screenshot 1

We do not currently know the default username and password for your router. If you know them, please use our Comments page to let us know what they are. Thanks!

Please visit our Default Router Passwords page if the username and password shown above do not work for you.

How to Port Forward Network Thermostat RP32-WIFI on the Alice Box AH4021


Having trouble forwarding ports on the Alice Box AH4021?

If you are having trouble with this guide, then perhaps PFConfig may be your solution. PFConfig is a software tool that will automatically forward ports for your Alice Box AH4021 router to save you time and hassle.

Before we can forward ports, we need to do a little configuration. Here is a brief walkthrough on how to do that. Go ahead and open up your thermostat's Configuration page.



On this page you need to change the HTTP Port to 81, and ASCII Port to 10001. For every additional thermostat you'll want to increase each number by one. So thermostat #1 would be ports 81 and 10001, thermostat #2 would be ports 82 and 10002, thermostat #3 would be ports 83 and 10003, ect.

Once you've finished configuring things, go ahead and click the Save & Reboot button to save things. After you have finished saving and rebooting, you will need to log in to your thermostat again.

Alice Box AH4021 Router Port Forwarding Screenshots

Now that you are logged in to your Alice Box AH4021 router you should see the following:

Alice Box AH4021 Screenshot 2

Click the Configuration avancee link near the left of the page.

You should now see a new menu. In this new menu, click Serveurs virtuels(NAT).

You should now see a new menu. In this new menu, click Serveurs virtuels.

Alice Box AH4021 Screenshot 3

Click the Ajouter link near the top of the page.

Alice Box AH4021 Screenshot 4

Forward Ports 81 on the Alice Box AH4021

We will list a series of lines here that will show you exactly how to forward the ports you need to forward. Network Thermostat RP32-WIFI requires you to forward the following ports: 81,10001. Go ahead and enter the settings shown above into the NAT menu.

Server Name:  
  Service:
  Autre Service:
Adresse IP du poste serveur:


Port exterieur - Debut Port exterieur - Fin Protocole Port interne - Debut Port interne - Fin


Forward Ports 10001 on the Alice Box AH4021

You should see another page of settings that need to be entered into one of the blank lines on your routers NAT page. Go ahead and enter those settings now.

Server Name:  
  Service:
  Autre Service:
Adresse IP du poste serveur:


Port exterieur - Debut Port exterieur - Fin Protocole Port interne - Debut Port interne - Fin

And that is it! You are done!


Test if Your Ports are Open

Now that you have forwarded ports for Network Thermostat RP32-WIFI on the Alice Box AH4021 you should test to see if your ports are forwarded correctly.

To test if your port has been properly forwarded, you can use our Open Port Check tool. Our Open Port Check tool is the only online port checking tool with Guaranteed Results.

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