C
OMMAND
L
INE
I
NTERFACE
3-92negotiation
Use this command to enable autonegotiation for a given interface.
Use the no form to disable autonegotiation.
Syntax
negotiation
no negotiation
Default Setting
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 (3-93)
speed-duplex (3-90)
negotiation (3-92)
Console(config)#interface ethernet 1/11
Console(config-if)#negotiation
Console(config-if)#