/31 support is in 12.2(2)T for most platforms. I tried it on serials and it works fine. Haven't tried it on LAN interfaces yet, but don't see why it wouldn't work.
--- "[EMAIL PROTECTED] (John Nemeth)" wrote: > On Mar 23, 8:54am, "Howard C. Berkowitz" wrote: > } > } >Good...... but you can't have a subnet with 31 > bits.... that would leave 2 > } >"hosts" and the network address and the broadcast > would use them up, so > you > } >end up with 0 hosts per subnet. For > point-to-point serial links, you'd > } >usually use a /30 (255.255.255.252) which gives > you 4 addresses per subnet > } >(1 network, 1 broadcast, and two hosts) > } > > } >Mike W. > } > } Mike, your answer has been correct for a long > time. However, let me > } cite a recent RFC with a lead author from Cisco: > } > } 3021 Using 31-Bit Prefixes on IPv4 Point-to-Point > Links. A. Retana, R. > } White, V. Fuller, D. McPherson. December > 2000. > > So, this has finally made it to RFC status. > That's good. > > } I believe some recent IOS versions, primarily > intended for carriers, > } will support /31 on point-to-point media. > > I would like to see it supported on broadcast > media as well. In > one of my sites, where the client is in the same > building as their ISP, > the link between the two is an ethernet connection. > With GigE/10GigE > and fibre, this sort of thing is becoming much more > common. > > }-- End of excerpt from "Howard C. Berkowitz" [EMAIL PROTECTED] __________________________________________________ Do You Yahoo!? Make a great connection at Yahoo! Personals. http://personals.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=24904&t=24712 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
