3550 GB1000-T to 3560 1000BaseTX SFP

I can't believe it, no link light... The ios on both switches recognize the hardware. (3550 has a ws-5483 (1000base-t) plugged into a 3560 sfp port using a 1000BaseTX SFP (GLC-T) via a cat5e cable.)

No link light. IOS versions are stated as compatible.

3550: (C3550-I9Q3L2-M), Version 12.1(22)EA4 3560: (C3560-IPBASE-M), Version 12.2(25)SEB4

Swapped cables, tried hard coding speed and duplex too.

Any body had an issue like this before? Am I missing something easy? I can't need a converter as they are both 1000 base-T..right?

Any help here is appreciated!

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Posted 5 years ago by william in Cisco Systems

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