As it often happens, everything begins with a call from a customer with a problem.

The problem is related to WiFi roaming in a warehouse with clients disconnecting from RDP sessions. The clients are industrial PCs installed on forklifts that move quite fast (and dangerously).

Second rule of troubleshooting: measure

As …

When you see an hacker movie you see people typing on the keyboard very fast. Actually the toughest the hacker is the faster he types very long commands and all of them work the first time.

Want to impress friends and colleagues? Type on the hackertyper ;-)

More experienced network engineers, as I learned during my …

Quite often I have to debug a wireless client roaming across lighweight Cisco APs to confirm it moves between APs as expected in the network design.

On the WLC the command is "debug client MAC". The command shows all the events related to the specific client including:

Reassociation received from mobile on AP …