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 In the below example we use show ip interface to quickly see how interfaces are configured.
Routershow ip interface OR Routershow ip interfaceIt is useful for quickly verifying configurations. 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 This command displays a summary of the IP information on an interface.
Here is a Cisco commands cheat sheet that describes the basic commands for configuring, securing and troubleshooting Cisco network devices. The basic CLI commands for all of them are the same, which simplifies Cisco device management. router> show interfaces ethernet 0 Ethernet0 is up, line protocol is up Hardware is Lance, address is 534.
#Show mac address of cisco router interfaces software
After a networking device receives a packet, the Cisco IOS software checks the source MAC address of the Gigabit Ethernet, 802.1Q VLAN, or 802.1Q-in-Q packet against the access list. Almost all Cisco devices use Cisco IOS to operate and Cisco CLI to be managed. MAC ACLs are applied on incoming traffic on Gigabit Ethernet interfaces and VLAN subinterfaces.
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