[123258] in North American Network Operators' Group
Re: IP4 Space
daemon@ATHENA.MIT.EDU (Antonio Querubin)
Thu Mar 4 15:11:00 2010
Date: Thu, 4 Mar 2010 10:10:34 -1000 (HST)
From: Antonio Querubin <tony@lava.net>
To: Thomas Magill <tmagill@providecommerce.com>
In-Reply-To: <FA2E47FFA50291418803D2E7C1DF07F30A6A671D@SDEXCL01.Proflowers.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Thu, 4 Mar 2010, Thomas Magill wrote:
> 1. Why don't providers use /31 addresses for P2P links? This
> works fine per rfc 3021 but nobody seems to believe it or use it. Are
> there any major manufacturers out there that do not support it?
>
> 2. Longer than /24 prefixes in global BGP table. The most obvious
> answer is that some hardware may not handle it... How is that hardware
> going to handle an IP6 table then? I have had several occasions where
> functionally I needed to advertise for different sites but only needed
> 20-30 addresses which is a complete waste of a /24. How hard would it
> be to start allowing /25s when compared to trying to roll out IP6?
I think these qualify to be in an IPv6 FAQ if they're not already :)
Antonio Querubin
808-545-5282 x3003
e-mail/xmpp: tony@lava.net
