Category Archives: Article

IPv6 – get to the church on time!

In a mailing list I frequent, the conversation turned to tunnels as a means of getting IPv6 access. A personage of note who shall remain nameless here said: > IPv6-over-IPv4 tunnels are perhaps worse than not doing it at all. … Continue reading

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MikroTik variables and /import

In the past couple of days I have been configuring¬† bunch of MikroTik routers. The configurations differ, but they all have a few things in common, and I wanted to record those things in a separate file as variables. My … Continue reading

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Mandatory comment on the NBN

Warning: Australian-only content :-) Now that the Coalition has finally released its NBN policy (here’s a copy) here’s my take on it: Fibre has a future. Copper has no future. Why is that something that people find so hard to … Continue reading

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IPv6 source address selection – what, why, how?

IPv6 source address selection must be very irritated; destination address selection gets all the press coverage. This article will start to redress the balance, by talking about what IPv6 source address selection is, why it is needed, and how it … Continue reading

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Why Not NAT?

NAT came into existence because of IPv4 address scarcity. With IPv6, that reason disappears. So, if we no longer need to multiplex addresses, should we retain NAT?

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Migrating applications to IPv6

So you have an application. It was written (as far as you know) without IPv6 in mind, and now it has to work with IPv6. How hard is that going to be? Well, it depends on the application. Most of … Continue reading

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/etc/gai.conf – it ain’t what you think it is

If you read the doco (like “man gai.conf“) you would be forgiven for thinking that the contents of /etc/gai.conf controlled source and destination address selection in IPv6. You would be wrong.

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Gogo6 client – common problems

Most of the problems you are likely to run into when trying to get the Gogo6 client up and running can be fixed using common sense – i.e., making sure that the various configuration items are properly set. One biggy … Continue reading

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Multi-Tunnel Virtual Adapter is missing…

Here’s the problem you are seeing. You have installed the Gogo6 tunnel client on Windows (particularly Windows7), apparently successfully. But when you run it, it doesn’t work. It just logs this message: Multi-Tunnel Virtual Adapter is missing and is required … Continue reading

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Into6 is on Twitter!

We just know that you want to be absolutely up to the minute on everything we do, so for your education and enjoyment we’ve set up an Into6¬† Twitter account, @intosix. And of course you are cordially invited to follow … Continue reading

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