mikaela.github.io/blog/_posts/2015-12-25-asus-tunnelbroker-net.md

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---
layout: post
comments: true
title: "Tunnelbroker.net & ASUS routers"
category: [english]
tags: [IPv6, english]
redirect_from: /english/2015/12/25/asus-tunnelbroker-net.html
lang: en
robots: noai
---
_I am typing this, because there is a lot of misinformation on this, especially
about the dynamic DNS part._
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<em lang="fi">Automaattinen sisällysluettelo</em> / <em lang="en">Automatically generated Table of Contents</em>
- [The tunnel](#the-tunnel)
- [Basic Config](#basic-config)
- [IPv6 LAN Setting](#ipv6-lan-setting)
- [IPv6 DNS Setting](#ipv6-dns-setting)
- [Auto Configuration Setting](#auto-configuration-setting)
- [Dynamic DNS](#dynamic-dns)
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## The tunnel
Go to the router web panel and IPv6 under advanced settings.
### Basic Config
- Connection type: Tunnel 6in4
- Server IPv4-address: _Server IPv4 Address from IPv6 tunnel endpoints in
tunnelbroker.net tunnel details_
- Client IPv6 address: _Client IPv6 address from IPv6 tunnel endpoints in
tunnelbroker.net tunnel details_
- IPv6 prefix length: 64
- Tunnel MTU: 0
- Tunnel TTL: 255
### IPv6 LAN Setting
- LAN IPv6 Prefix: _Routed /64 from Routed IPv6 Prefixes from tunnelbroker.net
tunnel details_
- LAN Prefix Length: 64
### IPv6 DNS Setting
- IPv6 DNS Server 1: 2001:470:20::2 _(this is the one tunnelbroker.net says for
me)_
- IPv6 DNS Server 2: 2001:4860:4860::8888 _Google DNS 1_
- IPv6 DNS Server 3: 2001:4860:4860::8844 _Google DNS 2_
### Auto Configuration Setting
- Enable Router Advertisement: Enable
## Dynamic DNS
Go to Advanced Settings, WAN, DDNS
- Enable the DDNS CLient: Yes
- Server: WWW.TUNNELBROKER.NET
- Host Name: _tunnel ID from tunnelbroker.net tunnel details_
- User Name or E-mail address: \*username of tunnelbroker.net
- Password or DDNS Key: _Update Key from tunnel details under the Advanced tab_
All guides I have seen say that username is user ID from index of
tunnelbroker.net and password is account password, but that doesn't work for me.
This is how I got it working guessing the details based on _Example Update URL_
at the same place you got the Update Key.
Now it should either work or not.
- If it gives error saying something about trying again later, you are doing
something wrong.
- If it gives error about endpoint IP not changed since the last update, it
works.
- If you don't get error, it doesn't work.
Now I would suggest you to go to Administration and from there
Restore/Save/UPload Setting and clicking the "Save setting"s "Save" button so in
case something bad happens you can easily restore the working state.
And I probably shouldn't need to say this, but I will say it anyway: **don't use
admin/admin as username/password combination!**