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CLI (Command Line Interface)
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NXA-ENET24 - Software Management Guide
Interface Commands (Cont.)
Command Function
negotiation
This command enables
autonegotiation for a given
interface.
Use the no form to disable
autonegotiation.
Syntax:
[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:
Console(config)#interface ethernet 1/11
Console(config-if)#negotiation
Console(config-if)#
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
• symmetric (Gigabit only) - When specified, the port transmits and receives
pause frames; when not specified, the port will auto-negotiate to determine
the sender and receiver for asymmetric pause frames. (The current switch
ASIC only supports symmetric pause frames.)
Default Settings:
• 100BASE-TX: 10half, 10full, 100half, 100full
• 1000BASE-T: 10half, 10full, 100half, 100full, 1000full
• SFP: 1000full
Command Mode: Interface Configuration (Ethernet, Port Channel)
Command Usage: When auto-negotiation is enabled with the negotiation
command, 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.
Example: The following example configures Ethernet port 5 capabilities to
100half, 100full and flow control:
Console(config)#interface ethernet 1/5
Console(config-if)#capabilities 100half
Console(config-if)#capabilities 100full
Console(config-if)#capabilities flowcontrol
Console(config-if)#