This is an old revision of the document!
SISSA Wired network access
FIRST: make sure DHCP is enabled on your laptop
Do you know how to set DHCP on your laptop?
SECOND: enable and configure Port Authentication (802.1X)
The quickest way, for Windows and Linux is to use the eduroam configuration tool that takes care also of this.
https://cat.eduroam.org/?idp=451
For Linux you can follow our guide:
Ubuntu and Linux configuration guide
Just in case, you can find the full old guide: Select this line to download the complete guide (pdf) for all the op. system.