Which FreeBSD version should I used to migrate IPV6?

HI everyone,

I was assigned a task to upgrade our product's TCP/IP stack to IPV6 compatible. The current TCP/IP stack was based on FreeBSD 2.2, and I know the first IPV6 supported version is FreeBSD 4.0. Here is the question, Should I use FreeBSD 4.0 or later? It's much easier to use FreeBSD 4.0 cause the difference is less. But I am not sure the FreeBSD 4.0 from 2000 is still suitable for today's network. Do you guys give me some advises?

Thank you.
 
If you're going to rip out the stack anyway you might want to have a look at KAME. It's that reference implementation that was eventually added to FreeBSD.

http://www.kame.net
 
Specific questions regarding the implementation of the IP stack are best asked on the mailing lists. There aren't a lot of developers on this board, but all of them read the various mailing lists. freebsd-net@ is probably the best place to ask.
 
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