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Article #9959

Re: TCP/IP SubNet Masks

#9959
From: Lee Ward
Date: Fri, 30 Dec 1988 18:21
15 lines
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ehrlich@shire.cs.psu.edu (Dan Ehrlich) writes:
>The documentation seems to imply that a subnet mask can be any number of
>bits in length.  Is this really true?...

Yes, it is true. We have all the architectures you mention and more. For
us, the ifconfig line would look like:

ifcongig le0 `hostname` netmask 255.255.248.0 broadcast 129.24.15.255

Where `hostname` runs the hostname command. ifconfig looks in /etc/hosts
for the address of your machine. The `netmask 255.255.248.0' gives us 5
bits of subnet. Finally, the `broadcast 129.24.15.255' sets the broadcast
address to a host part of all ones. In some cases this can be inferred.

	--Lee (Ward)
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Message-ID: <2221@unmvax.unm.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
References: <4160@psuvax1.cs.psu.edu>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: lee@sleepy.unm.edu (Lee Ward)
Newsgroups: comp.sys.sun
Subject: Re: TCP/IP SubNet Masks
Message-ID: <2221@unmvax.unm.edu>
Date: 30 Dec 88 18:21:45 GMT
References: <4160@psuvax1.cs.psu.edu>
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Original-Date: 21 Dec 88 14:57:09 GMT
X-Sun-Spots-Digest: Volume 7, Issue 82, message 4 of 18
X-Issue-Reference: v7n67