Why not just say its a /24??
Using slash notation is easier and takes away from Classes
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Taylor, Don
Sent: Thursday, August 17, 2000 1:01 PM
To: 'Oscar Rau'; Cisco GroupStudy
Subject: RE: Class A or C??
The address is determined by the bit pattern in the first octet. Anything
that begins with 0 is a class A; 10 is a class B; 110 is a class C; 1110 is
a class D; 11110 is a class E. Since 10 (decimal) is 00001010 in binary, it
begins with 0 and is therefore a class A.
The idea of class is outdated but we still use the terminology as a kind of
verbal shorthand. In your case I would refer to it as a Class A address with
a Class C mask. It's not meant to confuse the issue, but it's easier to say
"class C" than "two fifty-five dot two fifty-five dot two fifty-five dot
zero." Knowhatahmean? =)
Remember that you have to enable "ip classless" before your address/mask
combination works correctly, so if you're not using classful addressing
anyway, the argument of class is moot.
- Don
-----Original Message-----
From: Oscar Rau [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 17, 2000 5:37 AM
To: Cisco GroupStudy
Subject: Class A or C??
We are configuring a PIX interface with the following Address/Subnet Mask.
They are 10.9.2.3/255.255.255.0
Would this be Class A address? It is using private address space. Would the
subnet mask determine the network class?
Thank you in advance.
--
Oscar Rau
[EMAIL PROTECTED]
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