Trying to troubleshoot a SAN connection and got a question. Here’s the scenario: got a server with a 8Gb fiber SFP going to the SAN switch with two jumps in between, Zone cabinet and fiber patch panel, before reaching switch port. On the switch side, the port has a 16Gb SFP connected to it. Full path was tested and all cabling tested ok and within dB loss range. My understanding of networking is that both ends of the connections, at server end and at switch end, should be of the same speed. Am I correct here? Being that the cables tested ok, that would only leave the SFPs as being the issue. Sure the HBA card on the server side could be faulty, but the SAN team is saying that the low power Rx issue is on the switch side.
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