speed (Ethernet)
Sets the speed negotiation value on an Ethernet interface.
Syntax
speed
{
100
|
1000
|
1000-auto
|
10000
|
auto
}
Command Default
The speed is set to
auto.
Parameters
-
100
- Forces the speed to 100 Mbps.
-
1000
- Forces the speed to 1 Gbps.
-
1000-auto
- (Not currently supported) Forces the speed to
1 Gbps AN (802.3 Clause 37 Auto-Negotiation)
-
10000
- Forces the speed to 10 Gbps.
-
auto
- Allows the interface to negotiate the speed setting.
Modes
Interface subtype configuration mode
Usage Guidelines
Use the
auto
keyword to reset the default setting.
Examples
The following example changes the speed to 1G.
device# configure terminal
device(config)# interface Ethernet 0/1
device(config-if-eth-0/1)# speed 1000
device(config-if-eth-0/1)# no shutdown
