**Site Name - Site Title: ** ComputerGuru.net: Learn computer networking basics and system administration http://ComputerGuru.net/ **Site 150 character description:** Experienced system administrator explains basic components of computer networks and the OSI Model in simple terms **Keywords - Themes: ** Learn more about computers and technology Geek Speak Made Simple Learning technology isn't sexy, but I am doing my best to keep it interesting. Here I take on the complex subject of the Computer Networking OSI model explained in simple terms. ---- **Layer two versus layer three communications** Good article from Cisco Layer 3 versus Layer 2 Switch for VLANs | https://documentation.meraki.com/MS/Layer_3_Switching/Layer_3_versus_Layer_2_Switch_for_VLANs Layer 2 Versus Layer 3 Networking - Actually gets more into why MPLS | http://smallbiztrends.com/2013/09/osi-model-layer-networking.html Deeper detail from Cisco on the topic - Layer 2 and Layer 3 Switch Evolution | http://www.cisco.com/c/en/us/about/press/internet-protocol-journal/back-issues/table-contents-19/switch-evolution.html