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Date:      Sun, 05 May 2002 14:07:13 -0400
From:      Lord Raiden <raiden23@netzero.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   demand dial DSL
Message-ID:  <4.2.0.58.20020505135842.009a8a60@pop.netzero.net>

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	Ok, I just got handed a weird one (and on a Sunday of all days no less) 
today and I'm curious of an answer.  I've got a remote office that is 
running on DSL and the ISP just told us we have to switch over to the new 
DSL modem or else.  So, we switched. (like I'm gonna argue.  I've got 
enough to worry about this week.  hehe)  Now here's something that's 
interesting.  The new DSL modem refuses all inbound connections unless 
there is an active connection behind the modem.  AKA, someone on our lan 
has to be surfing the net or the connection goes dead inbound.  Outbound is 
fine.  The connection wakes up instantly when someone sends data across the 
modem and during that time we can connect to our remote lan and do what we 
want.  But after 15 minutes of no traffic in or out it goes numb again and 
you can't get any data past the modem.  Heck, it's not even pingable.

	I'm thinking about bugging our ISP for that dsl connection and figure out 
why it's doing that, but I wanted to see if there was just something simple 
that I could do instead to keep it from doing that.  IF it's a simple 2 
second fix that would work great.  The new modem they stuck us with is a 
3com Sdsl modem slaved into a kingston DSL router with a Fbsd file and 
remote mail server behind it.  IT's not a big thing, but suggestions are 
welcome.

	I was thinking about having Cron ping something remotely every 10 minutes 
or so with a single ping to make sure the connection never shuts down.  :)


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