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List:       firewalls-gc
Subject:    Re: Two ISP's to one DMZ
From:       Paul Ferguson <pferguso () cisco ! com>
Date:       1997-07-07 15:17:40
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At 05:36 AM 07/07/97 +0000, marc@sniff.ct-net.de wrote:

>
>Our local ISP here in Germany told me that it is no good idea to
>advertise networks below /19 , because some carriers filter out BGP
>routes to networks smaller than 8192 addresses.
>
>Is this correct? And if so, what will be the solution for Bertram
>Carrols problem?
>

Yes, there a a few ISP's which filter route announcements which
are longer than a /19, but this is a politicial problem.

- paul


--
Paul Ferguson                                           ||        ||
Consulting Engineering                                  ||        ||
Herndon, Virginia   USA                                ||||      ||||
tel: +1.703.397.5938                               ..:||||||:..:||||||:..
e-mail: pferguso@cisco.com                         c i s c o S y s t e m s

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