IPv6 Experiments and Frustrations

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Screenshot of Linux based OpenWrt (White Russian 0.9) firmware on a Linksys WRT54GL version 1.1 in the Mozilla Firefox web browser.

Image via Wikipedia

As I mentioned recently, this server is now available over both ipv4 and ipv6.

The next logical step was to get ipv6 of some kind working at home.

Unfortunately my isp isn't offering ipv6 (yet!), so I had two options:

  1. Setup complicated networking stuff to get some of our ipv6 allocation to appear at home
  2. Get an ipv6 tunnel from Sixxs
Option 1 might have been possible, but it would have involved bribing one of our network engineers to do it in his spare time, as I don't have the technical knowledge to pull it off

Option 2, therefore, was the one I chose.

I've been running OpenWRT on my linksys wrt54g for some time, so the howto on their site was one of my first ports of call.

Once I got my ipv6 tunnel from Sixxs I was able to use ping6 to verify my connection was working over ipv6 from the linksys.

Unfortunately I cannot get any form of ipv6 from my desktop! All I get are unhelpful messages about there being no routes :(

UPDATE: Jeroen from Sixxs and a couple of other people were extremely helpful and I finally got it working.

Running the following on the openwrt seems to have fixed the issue:
ip -6 ro add 2000::/3 dev <tunnel>

where <tunnel> is the interface for your tunnel

I also had to rejig a small bit of my config, as I'd put in /48 instead of /64

It's all working nicely now, so my next minor challenge is to get my Mac to use the ipv6 assignment on the network here.
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2 Comments

John Ronan said:

Not sure what OS your desktop is, but have you got a subnet allocated from sixxs.. as it takes a few days (IIRC) before you can get a subnet allocated. Maybe you do. hmmm.. whats you IPv6 Routing table say?

Michele Neylon Author Profile Page said:

I got the subnet allocation within an hour of requesting it, so that's not the issue.

I can't show you my ipv6 routing table from here, as I'm in work at present

Michele

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