>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
But there are 4 actual addresses in a /30. Two are not usable. All the addresses in a /31 are both actual and usable. > >""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=27824&t=27742 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
