Date: Tue, 8 Feb 2000 08:58:35 -0800 (PST) From: wellsian <wellsian@caffeine.com> To: Bob <bob@home.windsong.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: weird problems Message-ID: <Pine.BSF.4.21.0002080613390.60865-100000@boris.netgate.net> In-Reply-To: <Pine.BSF.4.10.10002080749480.46363-100000@home.windsong.net>
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The config sounds unusual, but it's probably just my too-little-coffee
imagination working on your description. I picture something like this:
--------------
| cablemodem |
--------------
|
---------
| HUB |
---------
/ \
--------- --------
| Win98 | | FBSD |
--------- --------
Can you clarify? What I'm missing is the addresses, dhcp servers, their
ranges, if your cable-account provides more than one address, and if your
cablemodem is really just stuck into the hub as a peer or if there's some
kind of gateway involved. You get the idea. Maybe you could provide more
information about the topology? I probably don't need to say don't post
real addresses. Still, it would be good to know of any routing or subnets
or... Oh, and has it ever worked right, and if so, what changed?
-Dave
On Tue, 8 Feb 2000, Bob wrote:
> Okay, here's the situation
>
> 1) I'm running 3.4-stable, cvs'd about a week ago
> 2) I have a cable modem for my upstream
> 3) I have a bsd box with a static IP, running an SMP kernel with 2
> processors
> 4) I have a windows 98 box running dhcp, pulling it's IP from a
> different network than the one my static IP is on
> 5) these machines plug into a hub, not each other. the cable modem
> is the uplink.
>
> I have periods of time (about 10-15 minutes each, usually) where my BSD
> box just completely loses it's connection (it can't ping it's gateway,
> which is one hop down the line, across the cable modem). My windows 98
> box has no problems maintaining connectivity. The BSD box's link goes
> down, and then comes back up without any messages whatsoever. My upstream
> insists that it can't possibly be a problem on their end, but I think
> they're full of it.
>
> Oddly enough, rebooting the BSD box seems to cure the problem (for about a
> minute, then it goes back to being dead)
>
> Is there any situation in which a BSD box could do this by itself (the
> link down/up)?
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