[105193] in North American Network Operators' Group
Re: .255 addresses still not usable after all these years?
daemon@ATHENA.MIT.EDU (Florian Weimer)
Sat Jun 14 05:36:03 2008
From: Florian Weimer <fw@deneb.enyo.de>
To: Valdis.Kletnieks@vt.edu
Date: Sat, 14 Jun 2008 11:35:44 +0200
In-Reply-To: <23933.1213384602@turing-police.cc.vt.edu> (Valdis Kletnieks's
message of "Fri, 13 Jun 2008 15:16:42 -0400")
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
* Valdis Kletnieks:
> RFC1519 is 15 years old now. I *still* heard a trainer (in a Cisco
> class no less) mention class A/B/C in the last few months. Some evil
> will obviously take generations to fully stamp out.
You need to know something about classes when you deal with Cisco gear
because IOS strips prefix lengths on output if they match the length
implied by the class.
