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Problem connecting two catalyst 3560 or two catalyst 3750

I have a problem connecting 2 catalys 3560 running IOS version 12.2 (25). I have a SPF cable and i`m trying to connect this two divices in cascade but the ports doesn`t work, the gigaports leds are off and by console show me the ports in error-disable.

i attempt shutdown and no shut on the interfaces and reloading the Switches but it doesn`t work.

please i need some help, thanks

1 REPLY
New Member

Re: Problem connecting two catalyst 3560 or two catalyst 3750

Check if your SPF are same on both ends by executing :

sho int gig0/11 status

Chec the type column both should be same "LX" OR "SX". If the type is not same you cannot make them work. One is for short range and the othe is for long range. Than try removing the ports out of the err-disable state.

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