Ethernet Configuration Commands 241
console(config)#interface ethernet 1/g5
console(config-if-1/g5)#negotiation
negotiation <capability-list>
Use the negotiation <capability-list> command in Interface Configuration mode in order to
limit auto-negotiation capabilities.
Syntax
negotiation <capability-list>
•
capabilitity-list
— Specify one or more of the following values, separated by a space: 100f,
1000f and 10000f.
NOTE: 100Mbps half duplex and full duplex modes are not currently supported.
Default Configuration
Auto negotiation is enabled by default. Both 1000f and 10000f are advertised via auto-
negotiation by default.
Command Mode
Interface Configuration mode
User Guidelines
Copper ports of 10G Base-T only support auto-negotiation functionality. The following port
speeds can be set as a result of the auto-negotiation process:
•100BASE-TX
• 1000BASE-T
•10GBASE-T
The default is 10GBASE-T (with auto negotiation enabled.).
NOTE: Manual port speed configuration is not available by PC8024/PC8024F firmware. If you are trying to
disable auto-negotiation and force speed on the port, the CLI will display the following error message:
console(config-if-1/xg17)#no negotiation
An invalid interface has been used for this function.
console(config-if-1/xg17)#speed 1000f
In order for physical mode configurations to take effect, auto-
negotiate must be disabled. Use 'no negotiation' command to
disable.
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