Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
speed
This example shows how to allow Fast Ethern et interface 5/4 to autonegotia te the speed and duplex
mode:
Switch(config)# interface fastethernet 5/4
Switch(config-if)# speed auto
Note The speed auto 10 100 command is similar to the speed auto command on a Fast Ethernet interface.
This example shows how to limit the interface speed to 10 and 100 Mbps on the Gigabit Ethernet
interface 1/1 in auto-negotiation mode:
Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# speed auto 10 100
This example shows how to limit the speed negotiation to 100 Mbps on the Gigabit Ethernet
interface 1/1:
Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# speed auto 100
Related Commands Command Description
duplex Configur es the duplex operation on a n interface.
interface (refer to Ci sco I OS
documentation)
Configures an interface type and enter interface
configuration mod e.
show controllers (refer to Cisco IOS
documentation)
Displays controller information.
show interfaces Displays traffice on a specific interface.