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Ch. 8 Terms
LAN Switching / Ch. 7 - Ethernet LAN Switching Concepts
| Term | Definition |
|---|---|
| CLI | Command Line Interface. An interface that enables the user to interact with the operating system by entering commands and optional arguments. |
| Secure Shell (SSH) | An TCP/IP application layer protocol that supports terminal emulation between client and a server, using dynamic key exchange and encryption to keep the communication private and secure. |
| Enable Mode | A part of the Cisco CLI where a user can use the most powerful and disruptive commands, on a router or on a switch, including the ability to then reach the configuration mode and reconfigure the router. |
| User Mode | A mode of the user interface to Cisco router or switch where a user can only type non disruptive EXEC commands, generally to look at the current status, but not to change any operational settings. |
| Configuration Mode | A part of the Cisco IOS CLI where a user can enter the configuration commands, that are then added to the devices currently used configuration file (running-config). |
| Startup-config file | In Cisco IOS switches and routers, the name of the file that resides in NVRAM memory, holding the devices configurations that will be loaded into the RAM as running-config file when the device is next reloaded or powered on. |
| Running Config | In Cisco IOS switches and routers, name of the file that resides in the RAM, holding devices’s currently used configurations. |
| Setup-Mode | An option on Cisco switches and routers that prompts the user for basic configuration information, resulting in new running-config and startup-config files. |