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Posted by =?Utf-8?B?YnJlbnQ=?= on July 20, 2006, 5:17 pm
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Thanks for responding.......
I looked at that early on too. I even changed the lease duration to a few
months......I then changed out both the switch and configured a new router.
Same deal: about 6 days later network crashed......Also, nothing in any of
the event logs, firewall logs, etc.........
"John Tiesi" wrote:
> It could be that your computers are trying to renew their IP leases at the
> same time. I've never heard of it bringing down a network, but given how
> inexpensive switches are nowadays, I wouldn't be surprised if this was the
> case.
>
>
>
> > Hello,
> >
> > I do work for a small firm with about 8 computers and 1 file server. They
> > are configured as a workgroup (XP and W2003).......They connect to the
> > Internet through a LinkSys router and to each other by a LinkSys switch.
> >
> > For about 2 months now, about every 6 days, very close to 5:00 PM all
> > machines show that their network connections is down (cable unplugged).
> > In
> > the past I have shut down all machines, switches, and routers and then
> > restarted everything. Normally for the next few hours the network will go
> > down again.......
> >
> > If I wait until the next day, I can unplug all devices from the switch,
> > start the switch and reconnect all machines and everything will work fine
> > until another 6 days go by..
> >
> > I have replaced all switches and the firewall with new ones and have run
> > complete virus scans of all machines without uncovering anything (they are
> > running Mcafee).
> >
> > Anything else I could check? I'm guessing a worm/virus?
> >
> > Thanks!
>
>
>
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