VLANs and trunking are essential for building efficient, secure, and scalable networks. By segmenting traffic and using 802.1Q trunks, you can extend VLANs across devices without losing isolation.

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.

VTP is covered on the CCNA exams, and on the CCNP switching exam, and on the CCIE R/S written exam, to varying degrees. So, while everything I mention about VTP this week could matter for all these ...