/31 mask address

Fri May 3 20:46:20 UTC 2002

Andre Chapuis wrote:

  For what purpose can this be used? Can a point to point link function 
with this subnet mask? It would be ok if the requirement for a network 
and broadcast IP were removed.

Regards,

  Mannu

>Hi Simon,
>What IOS are you using /31s with ?
>André
>
>----- Original Message -----
>From: "Simon Lockhart" <simonl at rd.bbc.co.uk>
>To: "Toan Do" <toando9 at aol.com>
>Cc: <nanog at merit.edu>
>Sent: Friday, May 03, 2002 10:26 PM
>Subject: Re: /31 mask address
>
>
>
>On Fri May 03, 2002 at 04:24:16PM -0400, Toan Do wrote:
>  
>
>>Has anyone used /31 mask addresses on their network?
>>    
>>
>
>Yes, works fine (on an all Cisco network).
>
>We're starting to use /31's on internal links. Links to third parties
>are still /30's, as most other people are still wary.
>
>Simon
>--
>Simon Lockhart                       |   Tel: +44 (0)1737 839676
>Internet Engineering Manager         |   Fax: +44 (0)1737 839516
>BBC Internet Services                | Email: Simon.Lockhart at bbc.co.uk
>Kingswood Warren,Tadworth,Surrey,UK  |   URL: http://support.bbc.co.uk/
>
>  
>