[CentOS] transition to ip6

Adam Tauno Williams awilliam at whitemice.org
Sat Mar 31 06:42:20 EDT 2012


On Fri, 2012-03-30 at 14:23 -0400, Bob Hoffman wrote:
> I imagine some day in the near future there will be a switch to ipv6.

A long way off;  for a long time things will be dual-stack.  It isn't
either IPv4 or IPv6, they coexist just fine.

> I cannot imagine ever remembering the ip address then...crazy.

That's why there is DNS! :)

> My question, since i have never done ip6 stuff, is what does that mean 
> on my webservers?

Nothing more than IPv4 means for you web servers.  It is
just-another-address, configured in the same way as if you had multiple
IPv4 addresses.

> Would I just need to replace my ip4 with ip6 in my eths, bonds, bridges, 
> and configuration files...and copy out my iptables to ip6tables, and 
> change the dns servers?

Nope, you don't replace, you add.

> all that does not sound to harsh.

It isn't at scary as some people make it out to be.  And IPv6 gets rid
of numerous hideous hacks that have been built into / onto creaky old
IPv4.

Die NAT Die!

> anything especially daunting to make that switch (save from someone 
> having to do that on 100 computers really fast!!)

And recent computer or distributions is sitting their quietly waiting
for it's IPv6 address to arrive - probably automatically, via auto
discovery.  Clients are trivial.
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