Cisco router. command history available: up/down arrows OR ^P/^N edit command line: Home/End OR ^A/^E left/right arrows OR ^B/^F Del OR ^D ^U clears Can use abbreviations of commands and parameters. TAB completes ? shows possible next part/step. Paged output: Enter for next line, Space for next page, q to quit. Ctrl Shift 6 terminates a command. IOS commands to look at what's there and how it's configured. but no changing anything. show version (memories, IOS version, HW&SW, interfaces) show flash (what's in flash) show clock (time and date) show arp (arp cache) show users (connections to here. you are *) show running-config (actual active configuration now) sh ru show ip interface brief (#1 basic info) sh ip int br show interfaces [name] show interfaces [name] accounting (summary) show ip route (the routing table: Connected, Static, dynamic routes) show protocols (routing protocols per interface) show ip protocol (routing protocols information) show cdp neighbors (info about neighboring Cisco devices) show ip traffic ping hostnameOrAddress traceroute hostnameOrAddress ************************************************ #enable SSH and/or telnet conf t line vty 0 4 transport input ssh|telnet|all|none login password PASSWORD enable secret PASSWORD (MD5 hashed password)