3com 5500-ei pwr Guía De Referencia

 

1-16 

duplex { auto | full | half } 

Ethernet port view 

auto: Sets the port to auto-negotiation mode. 

full: Sets the port to full duplex mode. 

half: Sets the port to half duplex mode. 

Use the duplex command to set the duplex mode of the current port.  

Use the undo duplex command to restore the default duplex mode, that is, auto-negotiation.  

By default, the port is in auto-negotiation mode.  

Related commands: speed. 

# Set the Ethernet 1/0/1 port to auto-negotiation mode.  

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] interface Ethernet 1/0/1 

[Sysname-Ethernet1/0/1] duplex auto 

Ethernet port view 

None 

Use the enable log updown command to enable Up/Down log information output.  

Use the undo log enable updown command to disable Up/Down log information output. 

By default, a port is allowed to output Up/Down log information.