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Date:      Thu, 8 Jul 1999 09:26:51 -0600
From:      Damien Tougas <dtougas@converging.net>
To:        <freebsd-questions@freebsd.org>
Subject:   Networking problems...
Message-ID:  <D1378A34D8E2D211831900105A99D3FE06D1AE@BDC>

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I sent this message out once before, but I'm not sure if it actually went
out...

Hello,

We have been experiencing an ineteresting network problem, I'm not exactly
sure what it is rooted
in, but I thought I would ask around just in case it is related to somthing
in FreeBSD.

We have two servers directly connected to the internet through an ADSL
connection, one is running
FreeBSD 3.1, the other is running NT Server 4.0.  The FreeBSD server is our
internet http and mail
server, the NT server is acting as a gateway to our internal network running
Microsoft Proxy.

Frequently (at least once a day) the FreeBSD server will lose contact with
the outside world.  What I
mean by this is that nobody ouside of our subnet can access it, not even
ping works.  While this
occurs, we can still ping the NT server from the outside (verifying that the
ADSL still works), and
we can still access the FreeBSD server from within the subnet without any
problems.  After an hour
or so, the problem clears itself up and the FreeBSD server goes live again.

I have noticed this happen on several occasions while using ssh to access
the FreeBSD server from
home.  I would be working, lose my connection and no longer have any contact
with the server for
about an hour, then it would mysteriously reappear.

We have also observed that when we lose outside contact with the server, if
we reboot it, it comes back
immediately, indicating that the problem is likely related to some server
configuration issue.

I know that this problem could be related to anything, but any insight that
could be offered would be
greatly appreciated.

Thanks.

Damien Tougas
Converging Technology Solutions, Inc.
10148 - 73 Street
Edmonton, Alberta  T6A 2W9
Phone: (780) 469-1679
Fax:  (780) 461-5127
mailto:dtougas@converging.net
http://www.converging.net




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