Speed - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

speed

To configure the interface speed, use the speed command. To disable a speed setting, use the no form of
this command.
Syntax Description
10
100
1000
auto 10 | 100 | 1000 Enables the interface to autonegotiate the speed and specify the exact values to
nonegotiate
Defaults
The default values are shown in the following table:
Interface Type
10/100-Mbps module
100-Mbps fiber modules
Gigabit Ethernet Interface
10/100/1000
1000
Command Modes Interface configuration mode
Command History Release
12.1(8a)EW
12.2(20)EWA
OL-27596 -01
speed {10 | 100 | 1000 | auto [10 | 100 | 1000] | nonegotiate}
no speed
Configures the interface to transmit at 10 Mbps.
Configures the interface to transmit at 100 Mbps.
Configures the interface to transmit at 1000 Mbps.
advertise when autonegotiating.
Enables the interface to not negotiate the speed.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Support for auto negotiating specific speeds added.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
Supported Syntax
speed [10 | 100 | auto [10 | 100]]
Not applicable
speed nonegotiate
speed [10 | 100 | 1000 | auto [10 | 100
| 1000]]
Not applicable
speed
Default Setting
Auto
Not applicable
Nonegotiate
Auto
Not applicable
2-1017