The RFC is 3021 ftp://ftp.isi.edu/in-notes/rfc3021.txt
It is implemented on Cisco routers: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122 t/122t2/ft31addr.htm Cheers, Willy Schoots -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Michael L. Williams Sent: Saturday, June 29, 2002 6:35 PM To: [EMAIL PROTECTED] Subject: Re: New Subnet Rule [7:47670] I had heard that there was an RFC pertaining to using a /31 on Point-to-Point links only (in which case there is no need for a network/broadcast address). Has this been implemented in (Cisco) network equipment yet? Is the RFC complete? Anyone know? Priscilla? Howard? Mike W. "Gaz" wrote in message news:[EMAIL PROTECTED]... > Thought that's what you meant but thought I'd clarify before I made a > pillock of myself. > > Now I've clarified I'll steam on and make a pillock of myself :-) > > I don't know how long it's been now (quite a while), but yes both of these > are used these days. "ip subnet-zero" command is useful for this. > I'm sure there are situations where this is still not a good idea, and I'm > sure people will jump in and give you the low down any minute now, but I've > had no problems with using them. > Also - not used it much other than playing around, but 31 bit mask is > available as well so you've only got a network and broadcast address to play > with. I've never been that short of addresses that I want to complicate it > that much. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=47753&t=47670 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]