2950 no connectivity

Unanswered Question
Apr 17th, 2007

Still having trouble with my 2950.

Configured the switch directly to a 6500 using a patch cable. Trunking activated VLan workign all signs good, link light etc.

Moved the switch over to an alternate location. Had the fiber between the two locations tested and reported good.

Now trying to use the patch cable to run from the patch panels to the switches. Can not get a link light.

The GBic is LX 1000 good for 40 miles. Same at both ends. GBics were in use prior to this and worked fine.

Patch cable in use is 10m with twist connectors on one end for the patch panel.

Single E-Mode

CDT Fibre Optic cable E132795 2 x Single-Mode (UL) Type OFNR --- C(UL) OFN FT4 --- ETL Verified to TIA/EIA 568-B. 3 For Indoor Backbone --- M93992 H830-32 001282

Any suggestions would be helpfull. I have tried 2 extra cables to confirm it is not a bad cable or at least I hope it's not a cable.

I have this problem too.
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mahmoodmkl Tue, 04/17/2007 - 10:48

Hi

Did u save u r config before removing the switch.

Did u try by changing the strands i.e tx-rx like a cross cable.

Thanks

Mahmood

1cyberdiver Tue, 04/17/2007 - 11:21

Yes save the config

Yes tried switching the strands

tried three different sets of patch cables to rule out a bad set.

I'm wondering if it has anything to do with the twist lock connectors?

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