Ctrl+Z to return to Privileged EXEC 
mode. 
Enter  exit  command  or  the  # 
command  to return to Global 
Configuration mode. 
A port number must be specified in 
the interface command. 
VLAN 
Configuration 
Mode   
Use the vlan 
vlan-list  command 
to enter this mode 
command  to return to Global 
configuration mode. 
Note: 
1.  The user is automatically in User EXEC Mode after the connection between the PC and the 
switch is established by a Telnet/SSH connection. 
2.  Each command mode has its own set of specific commands. To configure some commands, 
you should access the corresponding command mode firstly. 
  Global Configuration Mode: In this mode, global commands are provided, such as the 
Spanning Tree, Schedule Mode and so on. 
  Interface Configuration Mode: In this mode, users can configure one or several ports, 
different ports corresponds to different commands 
a).  Interface  gigabitEthernet:  Configure  parameters  for an Ethernet  port, such as 
Duplex-mode, flow control status. 
b).  Interface range gigabitEthernet: Configure parameters for several Ethernet ports. 
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