General Cisco Commands ~ Sysnet Notes

General Cisco Commands

Here is a list of the general commands. These are the basic level commands and most commonly used

no shutdown - (enables the interface)
reload - restarts the router
show version - Cisco IOS version, uptime of router, how the router started, where system was loaded from, the interfaces the POST found, and the configuration register
show clock - shows date and time on router
show history - shows the history of your commands
show debug - shows all debugging that is currently enabled
no debug all - turns off all debugging
sh users - shows users connected to router
sh protocols - shows which protocols are configured
banner motd # Your customized message here # - Set/change banner
hostname <give router name> - use to configure the hostname of the router
clear counters - clear interface counters

Router Processes & Statistics commands: By these command you can see the statistics and different processes of the router.

show processes - shows active processes running on router
show process cpu - shows cpu statistics
show mem - shows memory statistics
show flash - describes the flash memory and displays the size of files and the amount of free flash memory
show buffers - displays statistics for router buffer pools; shows the size of the Small, Middle, Big, Very Big, Large and Huge Buffers
show stacks - shows reason for last reboot, monitors the stack use of processes and interrupts routines

Sysnet Notes