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How To Configure IPv6 for Windows Server 2019 on the TeraSwitch VPS Platform

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In this guide, you will configure IPv6 support on your TeraSwitch VPS. This will allow it to communicate across the internet using the latest standards.


Before you begin this guide you’ll need the following:
  • One Windows VPS running Windows Server 2019

Step 1 — Locating the Address

To start, you need to locate the IPv6 address that was automatically assigned to your server. Login to your TeraSwitch portal at
From the top menu bar, navigate to Services > My Services, and then choose the VPS you would like to configure.
Next, scroll down to Interfaces and look for Fixed IP Address. You will see at least two addresses. The longer one is your IPv6 address for this specific server.
For example, the IPv6 address for your server might look similar to this: 2607:fdc0:2:0:f816:3eff:febb:61ee

Step 2 — Calculating the Gateway

Windows will also need to know the location of the default gateway in order to sucessfully send traffic outside the network. At TeraSwitch, this will always be the address ending in ...0000:0000:0000:0001.
In IPv6, we can compress all of those zeroes, and rewrite the ending like this: ::1
So for example:
If your IPv6 address is: 2607:fdc0:2:0:f816:3eff:febb:61ee
Your default gateway is: 2607:fdc0:2:0::1

Step 3 — Applying the Configuration

In this step you will insert the address and gateway into Window’s configuration.
To do this, connect to your server, and then open the TCP/IPv6 Properties dialog:
  1. Click Start
  2. Click Settings (the gear icon)
  3. Click Network & Internet
  4. Under Change your network settings, click Change adapter options
  5. Double-click on your primary ethernet adapter (for example, Ethernet 2)
  6. Click Properties
  7. Double-click Internet Protocol Version 6 (TCP/IPv6)
In this dialog box, enter the following information:

Field Value
Use the following IPv6 addresses: Selected
IPv6 address Your IPv6 address from step 1
Subnet prefix length 64
Default gateway Your default gateway from step 2
Use the following DNS server addresses: Selected
Preferred DNS server: 2607:4700:4700::1111
Alternate DNS server: 2606:4700:4700::1001
Note: you may choose any DNS servers you like. The examples here are provided by Cloudflare, who are located in our datacenter.
For example, your configuration might look like this:
Screenshot of dialog: Internet Protocol Version 6 (TCP/IPv6) Properties
Once you’re done, click OK, and OK. After a couple of seconds, the status window will update, and you will see IPv6 connectivity.

Screenshot of dialog: Ethernet 2 Status

Step 5 — Testing Connectivity

You can test IPv6 connectivity several ways.

Visit in Firefox or Chrome

Note that you would need to install a modern browser like Firefox or Chrome. This test will not show an accurate result in Internet Explorer 11, which is Windows Server 2019’s default browser.
Screenshot of website:

Ping an IPv6 server

In PowerShell, run:
ping 2606:4700:4700::1111
Pinging 2606:4700:4700::1111 with 32 bytes of data:
Reply from 2606:4700:4700::1111: time<1ms
Reply from 2606:4700:4700::1111: time<1ms
Reply from 2606:4700:4700::1111: time<1ms

Show the Routing Table

We can verify that all IPv6 traffic (::/0) will be routed to the default gateway from step 2.
In PowerShell, run:
3        ::/0    2607:fdc0:2::1                    256    5    ActiveStore


In this article you enabled IPv6 support for your VPS, future-proofing it for next generation applications.
Next, consider double checking that any firewall rules you may have are also configured for IPv6.

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