RE: Where to buy Internet IP addresses

["TJ" <trejrco () gmail com>]

> -----Original Message-----
> From: Ricky Beam [mailto:jfbeam () gmail com]
> Sent: Monday, May 04, 2009 6:38 PM
> To: nanog list
> Subject: Re: Where to buy Internet IP addresses
>
> 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.)

Actually, they will - you can set them to any arbitrary value between 1 and
128 (inclusive), atleast on every piece of gear I've tried to use.


> > 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.

See above.
Maybe true on some gear, or some old IOS, or when using the auto-config key
word ... ?


/TJ