Date: Fri, 31 May 1996 13:55:53 -0400 From: Mark Plummer <markus@clark.net> To: freebsd-questions@FreeBSD.ORG Subject: Re: No subnets with N=0? Message-ID: <199605311755.NAA01924@clark.net>
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<<On Thu, 30 May 1996 16:58:58 -0700 (PDT), Brian Litzinger <brian@MediaCity. com> said: > Ascend recently told me that I can't have Class C > subnets with the net address set to 0 or all 1s. what they were likely trying to say is that the subnet portion of the address cannot be all 0 or all 1. ie if your calss C is 192.168.1.x and your subnet is 255.255.255.224 (3bits), the addresses 192.168.1.1 through 192.168.1.30 and 192.168.1.225 through 192.168.1.254 would be illegal. this is a matter of dispute (at least it was when i asked on comp.protocols.tcpip a few months back). some say it's illegal and some say it's not depending on which rfcs you read and how you read them. in any event ascend is saying it's illegal and for their equipment, it is just like for my hp (half protocol or hewlett packard depending on who you ask) stuff. markus -- Mark Plummer, markus@clark.net, +1 410 796 1272
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