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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!

FireBrick 3G Dongle: Difference between revisions

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If using AAISP, then the options for IPv6 routing on the [[:Category:Control Pages|Control Pages]] allow an IPv6 block to be routed to a tunnel endpoint if the main routing (ie ADSL/FTTC) goes down. This means IPv6 can be routed to the 3G dongle if the main broadband(s) go down. The MTU will be limited though.
If using AAISP, then the options for IPv6 routing on the [[:Category:Control Pages|Control Pages]] allow an IPv6 block to be routed to a tunnel endpoint if the main routing (ie ADSL/FTTC) goes down. This means IPv6 can be routed to the 3G dongle if the main broadband(s) go down. The MTU will be limited though.
==Example Config==
==Example Config==
This assumes the 3G dongle has an MTU of 1500. When MTU is 1492, RA-MTU is 1472.
LAN Interface for IPv6 tunnel over 3G dongle with MTU 1500:
<syntaxhighlight>
<syntaxhighlight>
<interface name="LAN" port="LAN" ra-client="false">
<interface name="LAN" port="LAN" ra-client="false">
<subnet ip="1.2.3.4/24 2001:8b0::1/64" ra="true" ra-mtu="1480" ra-dns="2001:8b0::2020 2001:8b0::2021"/>
<subnet ip="1.2.3.4/24 2001:8b0::1/64" ra="true" ra-mtu="1480" ra-dns="2001:8b0::2020 2001:8b0::2021"/>
</interface>
</interface>
</syntaxhighlight>

or LAN Interface for IPv6 tunnel over 3G dongle with MTU 1492:
<syntaxhighlight>
<interface name="LAN" port="LAN" ra-client="false">
<subnet ip="1.2.3.4/24 2001:8b0::1/64" ra="true" ra-mtu="1472" ra-dns="2001:8b0::2020 2001:8b0::2021"/>
</interface>
</syntaxhighlight>
then
<syntaxhighlight>
<interface name="WAN" port="WAN" ra-client="false"/>
<interface name="WAN" port="WAN" ra-client="false"/>