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Spectrum-X course / 3. RoCE QoS / Checkpoint

Module 3 checkpoint

Turn a switch into a lossless RoCE fabric with one command, then know precisely what that command did, how to tune it, and which four counters answer 'RoCE is slow'.

Module 3 of 6 in Spectrum-X Ethernet AI fabrics with Cumulus Linux14 questionspass mark 80%about 12 minbelow the mark, retry after 24 h

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What it covers

  1. 3.1How a RoCE packet gets classified
  2. 3.2`nv set qos roce`: the one command and its five modes
  3. 3.3Tuning the lossless edge: PFC headroom, ECN thresholds, watchdog
  4. 3.4Packet trimming and `lossy-multi-tc`
  5. 3.5Playbook: 'RoCE is slow'