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MCX516A-CCAT mesh on 100G DAC: lshw says 40Gbit/s and one iperf3 stream tops out at 21 Gbit/s
We run a three-node cluster with the nodes cabled directly to each other over 100G DAC, no switch in the path, and the interfaces put into a broadcast bond so replication traffic has its own fabric. Before I put real load on it I wanted a baseline, and the numbers do not agree with each other. 3x…
