(config-if)# ip address 10.23.42.5 255.255.0.0 Add IPv4 address to interface. (config-if)# mac address 1234.5678.90AB Overwrite MAC address. (config-if)# no mac address Remove MAC overwrite.

If you often make system-level changes in Windows, you’ll sometimes need to open the Command Prompt with administrator privileges. You can do this from Windows Search by right-clicking the Command ...