So, I’ve tested how well I can sync 2 systems with expensive timing NICs. I’ve tested NTP settings. I’ve tested a boatload of NICs. Now I’m down to the last part of the test: network switches. Specifically, how much delay do good network switches add to PTP? TL;DR: almost no delay at all. Setup This is the same basic setup as in previous tests. My test system is an older Supermicro 1018R-WR with an Intel E5-2683 v4 CPU. The primary NIC is an Intel E810-XXVDA4T in one x16 PCIe 3.0 slot...
