One reason is that loopback interfaces never go down or flap. Thus when you use
a loopback interface for any purpose it's always up and never flapps.
----SIGNAURE-------
Douglas M. Todd, Jr.
Network Engineering
CCNP, CCDA
Partners Health Care
Building 149
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Charlestown, MA 02129-200
Tel: 617.726.1403
Email: dtodd@partners.org
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> -----Original Message-----
> From: Giuliano Cardozo Medalha [SMTP:giuliano@usp.br]
> Sent: Wednesday, February 27, 2002 11:16 AM
> To: cisco-nsp@puck.nether.net
> Subject: [nsp] Frame Relay - loopback
>
> Hi,
>
>
>
> I would like to know why we point Frame Relay or ATM subinterfaces for a
> loppback interface ?
>
>
>
> Whats a loopback interface ?
>
>
>
> Thanks a lot
>
>
>
> Giuliano
>
>
>
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