(It took half a year to learn and summarize all the commands of Cisco routing and switching equipment network! Specially for your reference, it professionals must! 1、?? Basic configuration gt;? User mode gt; enable?? Enter privileged mode \configureterminal? Enter global configuration mode (config) \ho STnameHO. STname? Modify the device name (config) \noipdomain-lookup? Disable DNS lookup (config) \lineconsole0 (config line) \exec-timeout00? Modify the session timeout to avoid returning to the initial interface (config line) \loggingsynchronous? Start the synchronization time to avoid being interrupted by the displayed information)