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Main - Computing - IPv6 New thread | New reply


chungy
Posted on 04-08-09 09:26 AM (rev. 2 of 04-09-09 07:23 AM) Link | Quote | ID: 104756


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oh yeah

i got a bit bored and interested in it, now I'm connected to the v6 world.

blackhole89
Posted on 04-08-09 07:57 PM Link | Quote | ID: 104779


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It would appear that neither the university network here nor the link (or at least the configuration, I'm not sure if I have all the relevant stuff enabled on the interface) on my server support it...

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Kawa
Posted on 04-08-09 07:59 PM Link | Quote | ID: 104780


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To put the above in simpler words, I can't reach it.

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chungy
Posted on 04-08-09 11:19 PM Link | Quote | ID: 104794


Rex
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Probably should have specified a bit more...

Without a native IPv6 connection, there's two major ways to get onto the v6 Internet. One is through a tunnel broker (what I used), which provides you with either a /64 or a /48 subnet (both of these are huge, and it's less common for them to hand out /48 at a whim, although you can always request them). The primary advantage to the tunnel broker is that I can keep the v6 address updated with my current dynamic IPv4 so that the v6 never changes (essentially I have a static v6 even though I don't have a static v4). There's a disadvantage of the fact that this always goes through the tunnel so it's a bit slower than my native IPv4 link.

The other way is with 6to4 which requires no tunnel broker, you just use the magic anycast IPv4 address 192.88.99.1 to connect to the IPv6 Internet. You don't need any registration with anyone, you just derive your IPv6 address from your IPv4 one with a 2002::/16 prefix. if you had a v4 of 1.2.3.4, the v6 would be 2002:102:304::/48 (you always get a whole /48 with this, from there you can have up to 2^16 subnets behind your single v4 address, which can each hold up to 2^64 unique machines! another example would be 194.202.90.87 -> 2002:c2ca:5a57::/48). Speed-wise, it's similar to the tunnel except when both endpoints are 6to4; it'll intelligently just connect only over the IPv4 Internet in that case through the route a normal v4 connection would take. If you have a dynamic IPv4... well the disadvantages of that would also spread to your IPv6 address of course.

I might not have explained it well enough, but heh.

paulguy
Posted on 04-09-09 02:25 PM Link | Quote | ID: 104835


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Yeah, it appears either the wireless router, modem/router thing or my ISP don't provide IPv6. But that's generally the way it goes in the US, I guess.

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Main - Computing - IPv6 New thread | New reply

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