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-.. _examples-tunnelbroker-ipv6:
-
-#######################
-Tunnelbroker.net (IPv6)
-#######################
-
-This guides walks through the setup of https://www.tunnelbroker.net/ for an
-IPv6 Tunnel.
-
-Prerequisites
-=============
-
-- A public, routable IPv4 address. This does not necessarily need to be static,
-  but you will need to update the tunnel endpoint when/if your IP address
-  changes, which can be done with a script and a scheduled task.
-- Account at https://www.tunnelbroker.net/
-- Requested a "Regular Tunnel". You want to choose a location that is closest
-  to your physical location for the best response time.
-
-Setup initial tunnel
-====================
-
-Set up initial IPv6 tunnel. Replace the field below from the fields on the
-tunnel information page.
-
-.. code-block:: none
-
-  conf
-  set interfaces tunnel tun0 address Client_IPv6_from_Tunnelbroker    # This will be your VyOS install's public IPv6 address
-  set interfaces tunnel tun0 description 'HE.NET IPv6 Tunnel'
-  set interfaces tunnel tun0 encapsulation 'sit'
-  set interfaces tunnel tun0 local-ip Client_IPv4_from_Tunnelbroker   # This is your public IP
-  set interfaces tunnel tun0 mtu '1472'
-  set interfaces tunnel tun0 multicast 'disable'
-  set interfaces tunnel tun0 remote-ip Server_IPv4_from_Tunnelbroker  # This is the IP of the Tunnelbroker server
-  set protocols static interface-route6 ::/0 next-hop-interface tun0  # Tell all traffic to go over this tunnel
-  commit
-
-If your WAN connection is over PPPoE, you may need to set the MTU on the above
-tunnel lower than 1472.
-
-At this point you should be able to ping an IPv6 address, try pinging Google:
-
-.. code-block:: none
-
-   ping6 -c2 2001:4860:4860::8888
-
-   64 bytes from 2001:4860:4860::8888: icmp_seq=1 ttl=57 time=21.7 ms
-   64 bytes from 2001:4860:4860::8888: icmp_seq=2 ttl=57 time=21.1 ms
-
-   --- 2001:4860:4860::8888 ping statistics ---
-   2 packets transmitted, 2 received, 0% packet loss, time 1001ms
-   rtt min/avg/max/mdev = 21.193/21.459/21.726/0.304 ms
-
-Assuming the pings are successful, you need to add some DNS servers.
-Some options:
-
-.. code-block:: none
-
-   set system name-server 2001:4860:4860::8888  # Google
-   set system name-server 2001:4860:4860::8844  # Google
-   set system name-server 2606:4700:4700::1111  # Cloudflare
-   set system name-server 2606:4700:4700::1001  # Cloudflare
-   commit
-
-You should now be able to ping something by IPv6 DNS name:
-
-.. code-block:: none
-
-   # ping6 -c2 one.one.one.one
-   PING one.one.one.one(one.one.one.one) 56 data bytes
-   64 bytes from one.one.one.one: icmp_seq=1 ttl=58 time=16.8 ms
-   64 bytes from one.one.one.one: icmp_seq=2 ttl=58 time=17.4 ms
-
-   --- one.one.one.one ping statistics ---
-   2 packets transmitted, 2 received, 0% packet loss, time 1001ms
-   rtt min/avg/max/mdev = 16.880/17.153/17.426/0.273 ms
-
-Assuming everything works, you can proceed to client configuration
-
-LAN Configuration
-=================
-
-At this point your VyOS install should have full IPv6, but now your LAN devices
-need access.
-
-With Tunnelbroker.net, you have two options:
-
-- Routed /64. This is the default assignment. In IPv6-land, it's good for a
-  single "LAN", and is somewhat equivalent to a /24.
-  Example: `2001:470:xxxx:xxxx::/64`
-- Routed /48. This is something you can request by clicking the "Assign /48"
-  link in the Tunnelbroker.net tunnel config. It allows you to have up to 65k
-  LANs. Example: `2001:470:xxxx::/48`
-
-Unlike IPv4, IPv6 is really not designed to be broken up smaller than /64. So
-if you ever want to have multiple LANs, VLANs, DMZ, etc, you'll want to ignore
-the assigned /64, and request the /48 and use that.
-
-Single LAN Setup
-================
-
-Single LAN setup where eth1 is your LAN interface. Use the /64 (all the xxxx
-should be replaced with the information from your `Routed /64` tunnel):
-
-.. code-block:: none
-
-  set interfaces ethernet eth1 address '2001:470:xxxx:xxxx::1/64'
-  set service router-advert interface eth1 name-server '2001:4860:4860::8888'
-  set service router-advert interface eth1 name-server '2001:4860:4860::8844'
-  set service router-advert interface eth1 prefix 2001:470:xxxx:xxxx::/64 
-
-Please note, 'autonomous-flag' and 'on-link-flag' are enabled by default, 'valid-lifetime' and 'preferred-lifetime' are set to default values of 30 days and 4 hours respectively.
-
-This accomplishes a few things:
-
-- Sets your LAN interface's IP address
-- Enables router advertisements. This is an IPv6 alternative for DHCP (though
-  DHCPv6 can still be used). With RAs, Your devices will automatically find the
-  information they need for routing and DNS.
-
-Multiple LAN/DMZ Setup
-======================
-
-In this, you use the `Routed /48` information. This allows you to assign a
-different /64 to every interface, LAN, or even device. Or you could break your
-network into smaller chunks like /56 or /60.
-
-The format of these addresses:
-
-- `2001:470:xxxx::/48`: The whole subnet. xxxx should come from Tunnelbroker.
-- `2001:470:xxxx:1::/64`: A subnet suitable for a LAN
-- `2001:470:xxxx:2::/64`: Another subnet
-- `2001:470:xxxx:ffff:/64`: The last usable /64 subnet.
-
-In the above examples, 1,2,ffff are all chosen by you. You can use 1-ffff
-(1-65535).
-
-So, when your LAN is eth1, your DMZ is eth2, your cameras live on eth3, etc:
-
-.. code-block:: none
-
-  set interfaces ethernet eth1 address '2001:470:xxxx:1::1/64'
-  set service router-advert interface eth1 name-server '2001:4860:4860::8888'
-  set service router-advert interface eth1 name-server '2001:4860:4860::8844'
-  set service router-advert interface eth1 prefix 2001:470:xxxx:1::/64
-  
-  set interfaces ethernet eth2 address '2001:470:xxxx:2::1/64'
-  set service router-advert interface eth2 name-server '2001:4860:4860::8888'
-  set service router-advert interface eth2 name-server '2001:4860:4860::8844'
-  set service router-advert interface eth2 prefix 2001:470:xxxx:2::/64 
-
-  set interfaces ethernet eth3 address '2001:470:xxxx:3::1/64'
-  set service router-advert interface eth3 name-server '2001:4860:4860::8888'
-  set service router-advert interface eth3 name-server '2001:4860:4860::8844'
-  set service router-advert interface eth3 prefix 2001:470:xxxx:3::/64
-
-Please note, 'autonomous-flag' and 'on-link-flag' are enabled by default, 'valid-lifetime' and 'preferred-lifetime' are set to default values of 30 days and 4 hours respectively.
-
-Firewall
-========
-
-Finally, don't forget the :ref:`firewall`. The usage is identical, except for
-instead of `set firewall name NAME`, you would use `set firewall ipv6-name
-NAME`.
-
-Similarly, to attach the firewall, you would use `set interfaces ethernet eth0
-firewall in ipv6-name` or `set zone-policy zone LOCAL from WAN firewall
-ipv6-name`.