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  • Why does iperf show 9Gb/s between na-arc-4 (which is on naasc-vs-4) and na-testcarta-2 (which is on naasc-vs-3) when there is only a 1Gb/s link between those two VM Hosts?
  • Why does na-arc-3 have such poor network performance to the other na-arc nodes?
  • Is putting all the production docker swarm nodes on the same ASIC on the same Fabric Extender of the Nexus switch a good idea?
  • When I run ethtool eth0 on nar-arc-{1..5} natest-arc-{1..2} as root, the result is just Link detected: yes instead of the full report with speed.  Yet
  • Why does natest-arc-3 , which has have ens3 instead of eth0 , shows and why is its speed of 100Mb/s?
  • Why do natest-arc-{1..3} have 9 veth* interfaces in ip addr show while na-arc-{1..5} don't have any veth* interfaces?

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