Connect "Cisco 3560 series PoE-48" to "Aruba 2530 PoE-48" via SFP transceivers. We get no activity lights on the Aruba 2530 switch.
mismatch gbic. The cisco is a single mode and the aruba 1 is a multi-mode. Also what ever you choose make sure to use the correct fiber cable
Is this what I would need then? And does "SMF" mean single mode, and "MMF" multi mode?
Aruba 1G SFP LC LX 10km SMF Transceiver
Link to SFP
but the fiber cable i think it is for MMF (from color of cable)
The fiber optic cable shown, give its labelling, is for sure a 62.5/125 um Multi-Mode Fiber (MMF) OM1 cable.
Given that Cisco's SFP Transceivers are LH-SM (Long Haul Single Mode, I presume) then, using a MM fiber optic cabling (as it worked), it is possible (with degradation)...I suspect the contrary (SX MM Short Range Multi Mode SFP Transceiver on SM fiber optic cabling) it's a matter of being very lucky.
For sure there is a SFP Transceivers mismatch going on here (Aruba J4858D versus Cisco LH-SM)...probably a Cisco GLC-SX-MMD would solve the mismatch with the J4858D.
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