North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: .255 addresses still not usable after all these years?

  • From: Florian Weimer
  • Date: Sat Jun 14 05:36:02 2008 
* 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.