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Catalyst 6500 Series Switch Command Reference—Release 8.4
OL-6244-01
Chapter 2 Catalyst 6500 Series Switch and ROM Monitor Commands
set port speed
set port speed
To configure the speed of a port interface, use the set port speed command.
set port speed mod/port {10 | 100 | 1000 | auto | auto-10-100}
Syntax Description
Defaults The default is auto.
Command Types Switch command.
Command Modes Privileged.
Usage Guidelines This command is not supported by the NAM.
In most cases, autonegotiation manages transmission speed, duplex mode, the master link, and the slave
link. The exception applies to 16-port 10/100/1000BASE-T Ethernet modules, where autonegotiation
manages transmission speed only.
You can configure Fast Ethernet interfaces on the 10/100-Mbps Fast Ethernet switching module to either
10, 100, or 1000 Mbps, or to autosensing mode, allowing the interfaces to sense and distinguish between
10- and 100-Mbps port transmission speeds and full-duplex or half-duplex port transmission types at a
remote port connection. If you set the interfaces to autosensing, they configure themselves automatically
to operate at the proper speed and transmission type.
Examples This example shows how to configure port 1, module 2 to auto:
Console> (enable) set port speed 2/1 auto
Port 2/1 speed set to auto-sensing mode.
Console> (enable)
This example shows how to configure the port speed on port 2, module 2 to 10 Mbps:
Console> (enable) set port speed 2/2 10
Port 2/2 speed set to 10 Mbps.
Console> (enable)
Related Commands show port
mod/port Number of the module and the port on the module.
10 | 100 | 1000 Sets a port speed for 10BASE-T, 100BASE-T, or 1000BASE-T ports.
auto Specifies autonegotiation for transmission speed and duplex mode on 10/100 Fast
Ethernet ports.
auto-10-100 Specifies autonegotiation for speed and duplex mode on 10/100/1000 Fast Ethernet
ports. Only 10-Mbps and 100-Mbps Fast Ethernet ports are negotiated; 1000-Mbps Fast
Ethernet ports are not negotiated.