Date: Thu, 15 Feb 1996 14:15:29 -0800 From: David Greenman <davidg@Root.COM> To: Nate Williams <nate@sri.MT.net> Cc: "Garrett A. Wollman" <wollman@lcs.mit.edu>, hackers@FreeBSD.ORG Subject: Re: Broadcast, Netmask, and other such information Message-ID: <199602152215.OAA07636@Root.COM> In-Reply-To: Your message of "Thu, 15 Feb 1996 14:15:17 MST." <199602152115.OAA01407@rocky.sri.MT.net>
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>Maybe I'm not making myself clear. When I say 'addresses in the >subnet', I'm trying to convey a number which *should* be a power of 2 #. >In the above example, there are 32 addresses assigned in each subnet, of >which there are only 31 usable as host addresses (except in the first >and last subnets due to the .0 & .255 addresses being unusable). Actually, no, you would only get 30 hosts per subnet. The all-ones host part on each subnet is the subnet's broadcast address and all-zeros host can't be used, either. -DG David Greenman Core Team/Principal Architect, The FreeBSD Project
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