Cisco 3750, 3560 switches, 37xx and 39xx, 93xx, 95xx, Integrated Service Router, Aggregation Services Router, Dell Blade server chassis, and Cisco Secure Access Server (ACS). Various Layer 2 and 3 LAN technologies such as STP, VLAN tagging, HSRP/GLBP, Ether Channel/Port channel, inter VLAN routing, OSPF/BGP routing protocols, static routing, Access Control List, etc. Pref