From: Scott Morris (swm@emanon.com)
Date: Wed Dec 29 2004 - 18:36:11 GMT-3
The first three bits really define class... And that term is not exactly
compatible with "subnet"... So I really would need to say it depends on
context, or that you have a definitional and contextual problem!
Scott Morris, MCSE, CCDP, CCIE4 (R&S/ISP-Dial/Security/Service Provider)
#4713, JNCIP, CCNA-WAN Switching, CCSP, Cable Communications Specialist, IP
Telephony Support Specialist, IP Telephony Design Specialist, CISSP
CCSI #21903
swm@emanon.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of John
Darpino
Sent: Wednesday, December 29, 2004 2:47 PM
To: gstudy
Subject: Classful Boundaries.
OK you big heads. Someone explain this to me.
Does the term "classful boundary" currently refer to:
A: The range into which a given addr falls that differentiates it from one
that falls into another, ie:
This network, 10.10.10.248/29 is a Class A subnet.
(since 10.x.y.z falls under the pre CIDR class A)
OR
B: The bit boundary closest to the bitmask in eight bit increments, ie:
This network, 10.10.10.248/29 is a Class C subnet.
(since the closest bit boundary is /24)
You will be settling a bet, so DON'T gimme that "both answers are right" or
"it depends on the context" or "just let the cat go unharmed and we'll sort
all this out without police involvement" stuff.
Which interpretation is more relevent?
-- Entropy - it's a tough job, but somebody's got to undo it.
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