North American Network Operators Group

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Re: classful routes redux

  • From: Niels Bakker
  • Date: Wed Nov 02 19:27:21 2005

* [email protected] (Fred Baker) [Thu 03 Nov 2005, 01:17 CET]:
A class A gives you 16 bits to enumerate 8 bit subnets. If you start
You've been reading too much Cisco Press material.

All a "Class A" gives you today is filthy looks, and people who know better shake their heads, feeling sorry for you.

The operational world left classful IPv4 addressing behind us, over a decade ago.

Perhaps it's time that certain vendors did the same, in their literature and certification programmes.

Recycling outdated terms to apply to new concepts ("Class C" to represent a /24 in the CIDR IPv4 world, or a /48 or whatever in IPv6) is a folly that can only lead to suffering.

-- Niels.