157 
Command Mode 
Interface Configuration Mode (interface gigabitEthernet / interface range 
gigabitEthernet / interface port-channel / interface range port-channel) 
Privilege Requirement 
Only Admin and Operator level users have access to these commands. 
Example 
Enable the flow-control function for port 1/0/3: 
T1600G-52TS(config)# interface gigabitEthernet 1/0/3 
T1600G-52TS(config-if)# flow-control 
19.6  duplex 
Description 
The duplex command is used to configure the Duplex Mode for an Ethernet 
port. To return to the default configuration, please use no duplex command. 
Syntax 
duplex { auto | full | half } 
no duplex 
Parameter   
auto | full | half  ——  The duplex mode of the Ethernet port. There are three 
options: auto-negotiation mode, full-duplex mode and half-duplex mode. By 
default the Gigabit Ethernet port is auto-negotiation mode. 
Command Mode 
Interface Configuration Mode (interface gigabitEthernet / interface range 
gigabitEthernet / interface port-channel / interface range port-channel) 
Privilege Requirement 
Only Admin and Operator level users have access to these commands. 
Example 
Configure the Duplex Mode as full-duplex for port 1/0/3:   
T1600G-52TS(config)# interface gigabitEthernet 1/0/3 
T1600G-52TS(config-if)# duplex full