4-160
Enabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• When auto-negotiation is enabled the switch will negotiate the best
settings for a link based on the capabilities command. When
auto-negotiation is disabled, you must manually specify the link
attributes with the speed-duplex and flowcontrol commands.
• If autonegotiation is disabled, auto-MDI/MDI-X pin signal
configuration will also be disabled for the RJ-45 ports.
Example
The following example configures port 11 to use autonegotiation.
Related Commands
capabilities (4-160)
speed-duplex (4-158)
capabilities
This command advertises the port capabilities of a given interface during
autonegotiation. Use the no form with parameters to remove an advertised
capability, or the no form without parameters to restore the default values.
Syntax
[no] capabilities {1000full | 100full | 100half | 10full | 10half |
flowcontrol | symmetric}
- 1000full - Supports 1000 Mbps full-duplex operation
- 100full - Supports 100 Mbps full-duplex operation
- 100half - Supports 100 Mbps half-duplex operation
- 10full - Supports 10 Mbps full-duplex operation
- 10half - Supports 10 Mbps half-duplex operation
- flowcontrol - Supports flow control
Console(config)#interface ethernet 1/11
Console(config-if)#negotiation
Console(config-if)#
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