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Author Topic: Best thing to do with a server and a laptop?  (Read 6695 times)

shepmaster

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Best thing to do with a server and a laptop?
« on: January 04, 2009, 02:01:10 PM »
Hey all, I just signed up for a tunnel, and (seemingly!) got it set up correctly on my gentoo server. I can do the basic stuff like ping6 or see the moving kame at www.kame.net.

My question has to do with my laptop. It runs OS X and wanders around with me. The big three places I truck it around to are:

1/ Work
2/ GFs house
3/ My house

I think what I would prefer, if possible, is for it to always have the same IP address (foo::3, hopefully). I could then add it to my DNS record as mobile.example.com or equivalent.

Is there any easy way to accomplish this? Maybe a better way?

Thanks!
« Last Edit: January 04, 2009, 02:05:17 PM by shepmaster »
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kristiankrohn

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Re: Best thing to do with a server and a laptop?
« Reply #1 on: January 04, 2009, 03:09:19 PM »
I recommend using OpenVPN.

Just create a VPN between your server and laptop, enable IPv6 on the link (option tun-ipv6) and have a script started every time the link becomes active (option up) to set the v6 addresses and default route.
(I assume OpenVPN for OS X has the same capabilities as OpenVPN for Linux. Windows XP for example doesn't allow the use of tun devices.)
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ericj

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Re: Best thing to do with a server and a laptop?
« Reply #2 on: January 04, 2009, 05:39:09 PM »
Quote from: kristiankrohn on January 04, 2009, 03:09:19 PM
I assume OpenVPN for OS X has the same capabilities as OpenVPN for Linux. Windows XP for example doesn't allow the use of tun devices.

Since version 1.5-beta8, OpenVPN can emulate a tun device on Windows through its tap driver. I am not sure if the emulated tun can do IPv6, though.
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shepmaster

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Re: Best thing to do with a server and a laptop?
« Reply #3 on: January 04, 2009, 08:35:01 PM »
So, to make sure I have this right: I am going to create a IPv6 over IPv4 tunnel from my laptop to the server. The server *also* has a IPv6 over IPv4 tunnel (to HE).

Is there any benefit to doing this, or am I just asking silly questions? I guess I had hoped that I would be able to something that would make me go "wow" (disregarding the fact that I'm just playing :))
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kristiankrohn

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Re: Best thing to do with a server and a laptop?
« Reply #4 on: January 05, 2009, 02:54:23 AM »
Your description regarding the use of multiple tunnels is correct.
The main benefit (compared to a dedicated brokered tunnel for the laptop) is that OpenVPN works well with dynamic IP addresses and behind a NAT device.

If you'd like to go "wow", you might want to look at Mobile IPv6 [http://en.wikipedia.org/wiki/Mobile_IPv6]. But I haven't heard of anyone using it as of yet.
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