RE: Netmask Question

Mark A. Knight ( (no email) )
Tue, 6 May 1997 08:55:18 -0700

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I am using a Cisco 2514 as my default router, but, I do have IP =
addresses from both Class Cs in on the same subnet. Does that mean I =
should use the netmask of 255.255.254.0 as suggested by others. I'm not =
really clear what you where saying.=20

Mark A. Knight wrote:
>=20
> This is a basic IP netmask question, but, possibly the answer to a few =
of the problems I am currently experiencing. If you have 2 or more =
Class C addresses (e.g. 207.240.11.0 & 207.240.12.0) on the same =
network, what should the netmask be?
> 255.255.255.0, 255.255.0.0?

The netmask for each should be their respective Class C netmasks or
255.255.255.0.=20
A Class B (the later above) netmask, would be that 207.240.x.x is all
local, which
is NOT the case.

You need to have a machine (Like a Cisco router) as your default router
on each subnet
and machines will go THROUGH the router to get between subnets (unless
their have
an IP address in each subnet.

--=20
Dale E. Reed Jr. (daler@iea.com)
_________________________________________________________________
IEA Software, Inc. | RadiusNT, Emerald, and NT FAQs
Internet Solutions for Today | http://www.emerald.iea.com

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