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speed 
Syntax 
speed { 10 | 100 | 1000 | auto } 
undo speed 
View 
Ethernet port view 
Parameter 
10: Specifies the port speed to 10 Mbps.  
100: Specifies the port speed to 100 Mbps.  
1000: Specifies the port speed to 1,000 Mbps (only available to GigabitEthernet ports).  
auto: Specifies the port speed to the auto-negotiation mode.  
Description 
Use the speed command to set the port speed.  
Use the undo speed command to restore the port speed to the default setting.  
By default, the port speed is in the auto-negotiation mode.  
Note that you can only specify the 1000 and auto keyword for Gigabit Ethernet ports.  
Related command: duplex.  
Example 
# Set the speed of Ethernet 1/0/1 to 10 Mbps.  
<Sysname>  system-view 
System View: return to User View with Ctrl+Z. 
[Sysname] interface ethernet 1/0/1 
[Sysname-Ethernet1/0/1] speed 10 
speed auto 
Syntax 
speed auto [ 10 | 100 | 1000 ]* 
View 
Ethernet port view 
Parameters 
10: Configures 10 Mbps as an auto-negotiation speed of the port.  
100: Configures 100 Mbps as an auto-negotiation speed of the port.  
1000: Configures 1,000 Mbps as an auto-negotiation speed of the port (only available to 
GigabitEthernet ports).  
Description 
Use the speed auto [ 10 | 100 | 1000 ]* command to configure auto-negotiation speed(s) for the current 
port.  
By default, the port speed is auto-negotiated. 
The last configuration will take effect if you configure the command for multiple times.