Re: Where to buy Internet IP addresses

["Ricky Beam" <jfbeam () gmail com>]

On Mon, 04 May 2009 18:01:32 -0400, Jack Bates <jbates () brightok net> wrote:
> Given there is no CLASS, but just a separation of network and host, I'd  
> hate to compare it to classful routing. They probably would have been  
> happy with a /96 network except for stateless autoconfig, which is quite  
> nice for some stuff actually.

Ok, calling it "classful routing" might be a little melodramatic.

I would love to be able to set interfaces on my cisco hardware to /96's,  
but it's not allowed.  Autoconfig screws that up.  Even if it's not used,  
you're forced to live with it.  Linux, BSD, etc. don't care. (and the  
instant they do, I can remove that stupid code.)

> I've not tried every vendor out there, but I've noticed some  
> implementations handle /127 just fine from a routing perspective.

So far, Cisco's gear is the only IPv6 routers I've messed with.  And they  
will not let you set an interface to anything smaller than a /64.   
Loopbacks have slightly different rules, but in my case (IPv6 tunnels)  
that fact hasn't proven very useful.