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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
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<indicator name="FireBrick Tunnels">[[File:FBimgtunnel.svg|link=:Category:FireBrick Tunnels|30px|Back up to the Tunnels Category]]</indicator>
[[File:2700-small.png|link=:Category:FireBrick]]
To add a tunneled IPv6 block to your FireBrick (2500/2700) and advertise it on your LAN subnet do the following:
<syntaxhighlight>
<route ip="::/0" gateway="81.187.81.6" comment="IPv6 default route using IPv4 tunnel"/>
*ra="true"
*ra-mtu="1480" (1472 if MTU was 1492 before,
*ra-dns="2001:8b0::2020 2001:8b0::2021"
*and add an IPv6 address from your block to the ip=
The smaller MTU is required due to the IPv6 packets being placed inside IPv4 packets.
You may need to allow the tunnel into your FireBrick with a rule such as:
<syntaxhighlight>
It's also really easy to set up an IPv6 tunnel from http://tunnelbroker.net if you are using a FB2700 on an ISP which doesn't already support IPv6. If the details for your tunnel on your control panel say your server IPv4 address is 192.0.2.26 and your client IPv6 is 2001:DB8:ABCD:123E::2 then you would put the following in your config:
[[Category:FireBrick
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