Cisco Nexus 5500 Series Command Reference Manual page 221

Chapter S Commands
speed (interface)
To configure the transmit and receive speed for an interface, use the speed command. To reset to the
default speed, use the no form of this command.
Syntax Description
100
1000
10000
auto
Command Default
The default speed is 10000 (10-Gigabit).
Command Modes Interface configuration mode
Command History Release
5.2(1)N1(1)
Usage Guidelines
The first 8 ports of a Cisco Nexus 5010 switch and the first 16 ports of a Cisco Nexus 5020 switch are
switchable 1-Gigabit and 10-Gigabit ports. The default interface speed is 10-Gigabit. To configure these
ports for 1-Gigabit Ethernet, insert a 1-Gigabit Ethernet SFP transceiver into the applicable port and then
set its speed with the speed command.
Note If the interface and transceiver speed is mismatched, the SFP validation failed message is displayed when
you enter the show interface ethernet slot/[QSFP-module/]port command. For example, if you insert a
1-Gigabit SFP transceiver into a port without configuring the speed 1000 command, you will get this
error.
By default, all ports on a Cisco Nexus device are 10 Gigabits.
Examples This example shows how to set the speed for a 1-Gigabit Ethernet port:
switch# configure terminal
switch(config)# interface ethernet 2/1
switch(config-if)# speed 1000
OL-27880-02
speed {100 | 1000 | 10000 | auto}
no speed
Sets the interface speed to 100 Mbps.
Note
Sets the interface speed to 1 Gbps.
Sets the interface speed to 10 Gbps. This is the default speed.
Note
Specifies that the speed of the interface is auto negotiated.
Modification
This command was introduced.
This keyword is not supported on a management interface.
This keyword is not supported on a management interface.
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
speed (interface)
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