[nsp] using /31s

[Alexey G Misurenko]

On Tue, 10 Feb 2004 10:36:20 -0600
Roger <grunky at rockriver.net> wrote:

> Mike Sawicki wrote:
> 
> >Jeff is right.  The only time I ever use /31's is to reference ip pairs 
> >in filtering/acl applications.  This is really the only realm in
> >which they are valid.  Try 'ip unnumbered' if you are getting
> >desperate for space.
> >  
> >
> The problem w/
> 
> 'ip unnumbered'
> 
> Is that you now depend on another interface being up.  Granted the other 
> interface is usually a ethernet interface which is pretty reliable, you 
> open yourself up to one more point of failure.
> 

  You can use loopback as a 'source' for ip unnmebered interface.



-- 
WBR,   Alexey G Misurenko ( MAG-RIPE | MMAGG-RIPN )
CTO of Caravan ISP            http://www.caravan.ru
Phone: +7 095 3632252         Cell:  +7 903 7450163