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
speed
To configure the interface speed, use the speed command. To disable a speed setting, use the no form of
this command.
speed {10 | 100 | 1000 | auto [10 | 100 | 1000] | nonegotiate}
no speed
Syntax Description
Defaults T he default values are shown in the following table:
Command Modes Interface configuration mode
Usage Guidelines Tab le 2-35 lists the supported command options by interface.
10 Configures the interface to transmit at 10 Mbps.
100 Configures the interface to transmit at 100 Mbps.
1000 Configures the interface to transmit at 1000 Mbps.
auto 10 | 100 | 1000 Enables the interface to autonegotiate the speed and specify the exact values to
advertise when autonegotiating.
nonegotiate Enables the interface to n ot negotiate the speed.
Interface Type Supported Syntax Default Setting
10/100-Mbps module speed [10 | 100 | auto [10 | 100]] Auto
100-Mbps fiber modules Not applicable Not applicable
Gigabit Eth erne t In terf ace speed nonegotiate None gotiate
10/100/1000 sp eed [10 | 100 | 1000 | aut o [10 | 100
| 1000]]
Auto
1000 Not applicable Not applicable
Table 2-35 Supported speed Command Options
Interface Type Supported Syntax Default S etting Guidelines
10/100-Mbps
module
speed [10 | 100 |
auto]
auto I f the speed is set to 10 or 100 and
you do not configure the duplex
setting, the duplex is set to h alf.
100-Mbps fiber
modules
Not applicable. Not applicable. Not applicable.
Gigabit Ethernet
Interface
speed nonegotiate nonegotiate is
enabled.
This is only applicable to Gigabit
Ethernet ports.