Great Circle Associates Firewalls
(April 1995)
 

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Subject: Re: Route summarization & announcements
From: paul @ hawksbill . sprintmrn . com (Paul Ferguson)
Date: Fri, 14 Apr 1995 21:40:14 -0500 (EST)
To: avalon @ coombs . anu . edu . au (Darren Reed)
Cc: bmanning @ ISI . EDU, dave @ corecom . com, markk @ internic . net, Matthew . Huff @ tasb . org, firewalls @ greatcircle . com
In-reply-to: <9504150225 . AA29114 @ hawksbill . sprintmrn . com> from "Darren Reed" at Apr 15, 95 11:26:07 am

> 
> The biggest problem, currently, with using anything other that class
> based routing inside a Unix box is that *VERY FEW* support classless
> routes.  The only versions of Unix where I know it is possible are
> those based upon NET-2 (ie BSDI/NetBSD/FreeBSD).
> 
> darren
> 
> p.s. why was this on firewalls ?  I assumed it was on an ID*R list.
> 

To briefly outline the issues with thinking in classful terms.

It does have an impact on firewalls, since it involves the routes
'available' to any particular access point.

'Nuf said.  :-)

- paul


_______________________________________________________________________________
Paul Ferguson                         
US Sprint                                          tel: 703.689.6828
Managed Network Engineering                   internet: paul @
 hawk .
 sprintmrn .
 com
Reston, Virginia  USA                             http://www.sprintmrn.com 

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