This document provides summaries of several Cisco IOS commands related to LAN switching, VLANs, trunking, VTP, spanning tree, MAC address tables, and Frame Relay. It begins with brief explanations of commands such as "show interface trunk", "show mac-address-table", "show spanning-tree vlan", "show vlan brief", and "show vtp status", highlighting the key information provided by each command. Configuration commands are also summarized, including examples for setting the VTP domain name, password, and pruning, as well as making a switch the root bridge using "spanning-tree vlan root primary". The document concludes with summaries of Frame Relay commands like "debug frame lmi", "enc