If you don't know what's really going on with the interfaces on your Cisco routers/Switches, then you likely don't know which changes you need to make.

In my opinion, a network engineer must know the “show interface” in depth; indeed, this command is useful to obtain various interface information like a drop, duplex mismatch, error, tx/RX loads, …Usually, the IOS switch/router have a similar “show interface” output; the differences are dictated by devices, interface, and IOS.

Cisco DNA Center can deploy the Wireless Assurance solution to ensure reactive and proactive monitoring and troubleshooting across your network.

Her er link til Cisco Community omkring DNA (Digital Network Architecture)

Her er introduktions dokumentation til Cisco Umbrella.

Her er et blogindlæg, der fortæller lidt om udviklingen af Cat7, Cat7A og Cat8