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Date:      Tue, 1 May 2001 22:00:38 -0700
From:      "Ted Mittelstaedt" <tedm@toybox.placo.com>
To:        "Nick Rogness" <nick@rogness.net>
Cc:        "Ken Bolingbroke" <hacker@bolingbroke.com>, <questions@FreeBSD.ORG>
Subject:   RE: Redundant Internet connections
Message-ID:  <002001c0d2c4$d4239aa0$1401a8c0@tedm.placo.com>
In-Reply-To: <Pine.BSF.4.21.0105011351380.88045-100000@cody.jharris.com>

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>-----Original Message-----
>From: Nick Rogness [mailto:nick@rogness.net]
>
>> Supposing that both interfaces into the FreeBSD router are Ethernet?  
>> (say, 2 DSL connections)  A DSL modem will NOT shut down it's Ethernet
>> interface if the DSL circuit to it goes down.  What then?
>
>	Your SOL!  This is only works real well when your ethernet
>	interface goes down.
>

Yes, this is particularly annoying on DSL because on bridged DSL
there's nothing to ping.  (IP #'s are not assigned to anything)

The redundancy solution I posted the URL pointer to earlier
gets around this with a icky script that probes the ARP table.

Ted Mittelstaedt                      tedm@toybox.placo.com
Author of:          The FreeBSD Corporate Networker's Guide
Book website:         http://www.freebsd-corp-net-guide.com



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