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IPv6 with Ubiquiti Edgerouter Lite

IanCass

Regular Member
The Ubiquiti Edgerouter Lite doesn't have great IPv6 configuration natively in its web interface so was painful to work out the correct set up. Here's how I did it for others benefit :-

When you run the setup wizard choose PPPoE (entering your login & password), tick "IPv6 Firewall" and "DHCPv6 PD". The default /48 prefix length is correct.

1675682142377.png


After you hit apply, the router will set itself up, connect to Giganet via PPPoE and you should see an IPv4 address allocated on the dashboard tab. This is the easy bit :)

To complete the configuration in the GUI, you have to go to the "Config Tree" tab. Expand (using the triangle shaped buttons) interfaces, ethernet, eth0, pppoe, dpcpv6-pd. You should now see DHCPv6 Prefix Delegation Options on the right. Make sure rapid-commit is "disable".

1675683521046.png


Next, scroll down a little and hit the "+" sign next to "prefix-only" so it changes to "prefix-only -". Then, down a little more and expand "ipv6", then click the "+" next to enable to change it to "enable -". After you do this, hit the preview button at the bottom then apply. If ever you want to disable ipv6, just toggle this "enable" option by clicking the "-".

After it's done its stuff, go to the dashboard tab and hopefully you should see your IPv6 addresses on the pppoe0 interface and also /64 delegated ranges on each of your internal interfaces (eth1, eth2). If you don't see these, contact Giganet support and ask them to release your IPv6 lease.
 
Giganet have now moved to "Network 2". As part of this, ipv6 has moved from a /48 PD to a /56. The rest of the instructions above are still good.
 
Hello,
I'm using Giganet over City fibre. The above doesnt work for me, and the Edgerouter config tree is a little different also:
 

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The config tree interface is a little tricky to operate. Are you sure you followed the steps exactly? For example on your screenshot you don't have the pppoe node expanded as per my screenshot.
 
Yes, that's one of the odd things: the PPPOE node doesn't expand for me.
I'm a newbie to Edgerouter, but I find the CLI to be easier than the config tree, which is supposed to be easier than the CLI...!
Thanks anyway, glad it works for you.
 
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