cisco router configuration commands cheat sheet

The mask tells which bits to use from the network-number, and the area-id is used for determining areas in an OSPF configuration. If the autonegotiation doesnt work or doesnt work consistently, you may end up using these commands. Router(config-router)network network-number mask area area-id The network-number identifies the network using OSPF.

“Shutdown” shuts down the interface, while “no shutdown” brings up the interface. Heres an example of setting an Ethernet port to 100Mb Full duplex: CellRouter (config-if) speed 100. Sets a host name to the current Cisco network deviceĪn enable mode command that copies files from one file location to anotherĪn enable mode command that saves the active config, replacing the startup config when a Cisco network device initializesĪn enable mode command that merges the startup config with the currently active config in RAMĪn enable mode command that deletes the startup config Logs you into enable mode, which is also known as user exec mode or privileged modeĮnters interface configuration mode for the specified fast ethernet interfaceĪn exec mode command that reboots a Cisco switch or router

Cisco router configuration commands cheat sheet