Problem with fiber link locking network segment randomly
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Posted by Rob Walk on July 9, 2004, 4:56 am
Please log in for more thread options Two buildings connected by fiber and D-Link DFE-855 media converters on each end. Both DFE-855 units connect to 3Com 16-port hubs which are part of a Windows 2000 Server network. The fiber is about 500' long. Every other day, all the computers in the remote building lose their connection with the server in the main building. You can't ping anything or renew the IP. When you disconnect the power from the DFE-855 at the remote end and power it back up, connectivity is restored. Does this sound like a D-Link hardware issue? I have had nothing but problems with D-link switches so I was wondering if the same shabby quality is in their media converters. I'm open to any feedback or suggestions. TIA | |||||||||||||||||||
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Posted by T. Sean Weintz on July 9, 2004, 3:07 pm
Please log in for more thread options That would be my guess. Dlink for fiber? <shudder>
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Posted by Michael Quinlan on July 10, 2004, 12:28 am
Please log in for more thread options T. Sean Weintz wrote:
> Rob Walk wrote:
> >>
>> When you disconnect the power from the DFE-855 at the remote end and >> power >> it back up, connectivity is restored. Does this sound like a D-Link >> hardware issue? I have had nothing but problems with D-link switches >> so I >> was wondering if the same shabby quality is in their media converters. >> >> I'm open to any feedback or suggestions. >> >> TIA >
> > That would be my guess. Dlink for fiber? <shudder> > If they are identical media converters, you could try switching them. If the problem moves to the other end, then I would say it's a hardware issue. If the problem remains at the same end, the problem would be something else. Maybe a power issue (i.e. dips, spikes?)? Is either piece of equipment on a UPS or surge protector? You could even try swapping power supplies independently of the units. | |||||||||||||||||||
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Posted by Watson A.Name - \"Watt Sun, th on July 14, 2004, 10:37 pm
Please log in for more thread options
> I am about to jump on board with someone that has an ongoing problem.
on each
> > Two buildings connected by fiber and D-Link DFE-855 media converters > end. Both DFE-855 units connect to 3Com 16-port hubs which are part
of a
> Windows 2000 Server network.
the
> > The fiber is about 500' long. Every other day, all the computers in > remote building lose their connection with the server in the main
building.
> You can't ping anything or renew the IP.
power
> > When you disconnect the power from the DFE-855 at the remote end and > it back up, connectivity is restored. Does this sound like a D-Link
so I
> hardware issue? I have had nothing but problems with D-link switches > was wondering if the same shabby quality is in their media converters.
> > I'm open to any feedback or suggestions. You're losing a lot more in business every day than the price of a set of media converters, so buy a replacement pair and get rid of the Dlinks if there's any doubt in your mind. > TIA
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> When you disconnect the power from the DFE-855 at the remote end and power
> it back up, connectivity is restored. Does this sound like a D-Link
> hardware issue? I have had nothing but problems with D-link switches so I
> was wondering if the same shabby quality is in their media converters.
>
> I'm open to any feedback or suggestions.
>
> TIA