traffic filtering

Mon Jan 21 23:43:07 UTC 2002

In the referenced message, Jared Mauch said:
> On Mon, Jan 21, 2002 at 05:53:16PM -0500, Stephen Griffin wrote:
> > 
> > Hello,
> > 
> > I'm curious about how many networks completely filter all traffic to
> > any ip address ending in either ".0" or ".255".
> 
> 	they will have problems reaching people who are now using /31s
> on links that cover the last /31 and first /31 of the /24 that they reside
> in.  
> 
> 	- Jared

or (as in my case) router loopbacks using a /32 with .0 or .255, or
dialup users allocated out of a /21 pool, where any but the first .0
and last .255 are legitimate (technically, with dialup if they are
allocated as /32's they are all legitimate). Or any lan larger than
a /24.