I am connecting cisco 2960 series(WS-C2960-48PST-L)switch and planet switch via sfp port , the link in not up and also orange light is not blinking in the switch , i am using cisco module(GLC-SX-MMD ) in cisco side and planet module in the planet end.
NO lights indicates to me a layer 1 issue. Like Devils said above try swapping the send/recieave around. As long as you have both ends configured correctly it should matter if cisco "recognises" the sfp or not.
are the switches in the same room, IE, are you using a patch cable or are they in a different location? Either way, If it's a patch cable you can seperate the ends from that clip that binds them together then swap them around. If it's fiber from another location you can swap the end around in the distribution block.
both switches are in the same room but different rack,we are using 6 cisco switches as a edge switch and palnet as core switch,in the server room there is one cisco and the core switch planet.there is SC fiber organiser in the rack , we alredy buy sc to lc fiber patch code for connecting sfp to organiser.so we are trying to connect first the core switch and cisco switch in the server room.
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