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Stacking 2950 SX's with MTRJ fibre patches

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Aug 14, 2003
46
GB
Hi,
I've got 2 2950 SX switches that wont stack with fibre. All the SX interfaces work on their own, when connected to the mtrj-sc uplink fibre. the IOS version has been flashed up to 12.1(19)EA1c as there are possible packet loss issues with 12.1(14). The fibre is good as it's been checked, but the i/f's wont come up when connected. they aren't in shutdown either. These are the first SX's we've had, so am I missing something stupid??
 
Is there a way for you to reverse the pair on your mtrj - mtrj cable? I think you might need a mtrj crossover cable.
 
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