Global configuration
mode
Commands that affect the entire system
Router(config)#
Specific configuration
modes
Commands that affect interfaces, subinterfaces,
routing processes, or lines
only
Router(config-subif)#Router Configuration Modes
One key to navigating the CLI is to always be aware of which router configuration mode you
are currently in (see Table 1.1). You can tell which configuration mode you are in by watching
the CLI prompt.
TABLE 1 . 1
Router Configuration Modes
Mode Definition Example
User EXEC mode Limited to basic monitoring commands
Router>
Privileged EXEC mode Provides access to all other router commands
Router#