For more complex and speci?¬?c con?¬?gurations, you can use the CLI to
enter terminal con?¬?guration mode.
Cisco IOS CLI Functions 5
Figure 1-1 Cisco IOS Con?¬?guration Modes
From privileged EXEC mode, you can enter global con?¬?guration mode using the con?¬?gure
terminal command. From global con?¬?guration mode, you can access speci?¬?c con?¬?guration
modes, which include, but are not limited to, the following:
?– Interface: Supports commands that con?¬?gure operations on a per-interface basis
?– Subinterface: Supports commands that con?¬?gure multiple virtual interfaces on a single
physical interface
?– Controller: Supports commands that con?¬?gure controllers (for example, E1 and T1
controllers)
?– Line: Supports commands that con?¬?gure the operation of a terminal line (for example, the
console or the vty ports)
?– Router: Supports commands that con?¬?gure an IP routing protocol
If you enter the exit command, the router backs out one level, eventually logging out. In general,
you enter the exit command from one of the speci?¬?c con?¬?guration modes to return to global
con?¬?guration mode. Press Ctrl-Z or enter end to leave con?¬?guration mode completely and return
to the privileged EXEC mode.
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