Having some connectivity issues lately, so I did something we should have done a long time ago and turned on logging on all our Cisco switches and installed a syslog server for them all to log to.

This week I’d like to get into a few details of how VLAN Trunking Protocol works. VTP is covered on the CCNA exams, and on the CCNP switching exam, and on the CCIE R/S written exam, to varying degrees ...