In our Unboxing and more series today, we once again reveal a device with 100G ports dreamed up on MikroTik's drawing board. In our last episode, we reviewed two representatives of the router category, and now the first big gun in the switch category, the CRS504-4XQ-IN, equipped with 4 100G QSFP28 connections.

Video with english subtitle: https://www.youtube.com/watch?v=g3ZzFGkYtxM

"After two years dismantle 100G network for replace the fans"

Could someone explain to those guys that there are methods to change a device (regardless of the reason) without stopping the whole network...