Cisco ASR 901 Command Reference Manual page 207

Chapter 1 CLI Command Reference
speed
To configure the speed for a Fast Ethernet or Gigabit Ethernet interface, use the speed command in
interface configuration mode. To return to the default setting, use the no form of this command.
Syntax Description
10
100
1000
Defaults 1000M
Command Modes
Interface configuration
Command History Release
15.1(2)SNG
Usage Guidelines Use the speed [10 | 100 | 1000] command for 10/100/1000 ports and the speed 1000 command for
Gigabit Ethernet ports.
Gigabit Ethernet Interfaces
The Gigabit Ethernet interfaces are full duplex only. You cannot change the duplex mode on the Gigabit
Ethernet interfaces or on a 10/100/1000-Mbps interface that is configured for Gigabit Ethernet.
Speed Command Syntax Combinations
Table 1-1
Table 1-13 Supported speed Command Options
Interface Type
Gigabit Ethernet
module
10-Mbps ports
When manually configuring the interface speed to either 10 or 100 Mbps, the switch prompts you to
configure duplex mode on the interface.
OL-26031-07
speed {10 | 100 | 1000 }
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. This keyword is valid only for
interfaces that support Gigabit Ethernet.
Modification
Support for this command was introduced on the Cisco ASR 901 router.
lists the supported command options by interface.
Supported Syntax
speed 1000
Factory set
Default Setting
Speed is 1000.
Not applicable.
Cisco ASR 901 Aggregation Services Router Command Reference Guide
Usage Guidelines
Speed, duplex, and flow control are
enabled.
speed
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