>I read the RFC, so I guess it can be used. My bad. > >AM I correct in saying that one interface will be assigned the all zero >subnet as it's IP and the other will be assigned the broadcast IP address >for that subnet? > >Steve
Yes. It's a controlled violation of that addressing rule. > > > >""VoIP Guy"" wrote in message >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... >> I know that, but the network and broadcast addresses are unusable. Thus >the >> two good addresses for hosts. >> ""Craig Columbus"" wrote in message >> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... >> > With a /30 you use 4 IP addresses (network, 2 node, 1 broadcast). You >> save >> > addresses with a /31. >> > Here's a link with more info: >> > >> > http://www.ietf.org/rfc/rfc3021.txt?number=3021 >> > >> > Thanks, >> > Craig >> > >> > At 08:32 AM 11/30/2001 -0500, you wrote: >> > >Maybe I'm missing something, but there are only 2 useable addresses in >a >> > >/30, and only 2 interfaces participating in a point-to-point link, so >how >> > >are there 50% of the addresses wasted. >> > > >> > >Steve >> > > >> > > >> > >""MADMAN"" wrote in message >> > >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... >> > > > Point to point connections, with a /30 you waste 50% of the >> > > > avaivalable addresses. >> > > > >> > > > Dave >> > > > >> > > > Nicolas FEVRIER wrote: >> > > > > >> > > > > Hi group, >> > > > > >> > > > > I'm puzzled by the use of /31 subnets... >> > > > > Anybody can explain me the benefits of such a subnet on an >interface >> ? >> > > > > >> > > > > Thanxx. >> > > > > >> > > > > Nicolas. >> > > > -- >> > > > David Madland >> > > > Sr. Network Engineer >> > > > CCIE# 2016 >> > > > Qwest Communications Int. Inc. >> > > > [EMAIL PROTECTED] >> > > > 612-664-3367 >> > > > >> > > > "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=27823&t=27802 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
