Configuring the Switch
3-102
CLI – This example shows the connection status for Port 5.
Configuring Interface Connections
You can use the Port Configuration or Trunk Configuration page to enable/disable an
interface, set auto-negotiation and the interface capabilities to advertise, or manually
fix the speed, duplex mode, and flow control.
Command Usage
• The 1000BASE-T standard does not support forced mode. Auto-negotiation
should always be used to establish a connection over any 1000BASE-T port or
trunk. If not used, the success of the link process cannot be guaranteed.
• When using auto-negotiation, the optimal settings will be negotiated between the
link partners based on their advertised capabilities. To set the speed, duplex mode,
or flow control under auto-negotiation, the required operation modes must be
specified in the capabilities list for an interface.
Command Attributes
• Name – Allows you to label an interface. (Range: 1-64 characters)
• Admin – Allows you to manually disable an interface. You can disable an interface
due to abnormal behavior (e.g., excessive collisions), and then reenable it after the
problem has been resolved. You may also disable an interface for security
reasons.
• Speed/Duplex – Allows you to manually set the port speed and duplex mode
(i.e., with auto-negotiation disabled).
Console#show interfaces status ethernet 1/5 4-143
Basic Information:
Port Type: 1000T
Mac Address: 00-16-B6-F0-3B-EE
Configuration:
Name:
Port Admin: Up
Speed-duplex: Auto
Capabilities: 10half, 10full, 100half, 100full, 1000full
Broadcast Storm: Enabled
Broadcast Storm Limit: 64 Kbits/second
Multicast Storm: Disabled
Multicast Storm Limit: 64 Kbits/second
Unknown Unicast Storm: Disabled
Unknown Unicast Storm Limit: 64 Kbits/second
Flow Control: Disabled
LACP: Disabled
Port Security: Disabled
Max MAC Count: 0
Port Security Action: None
Media Type: None
Current Status:
Link Status: Up
Port Operation Status: Up
Operation Speed-duplex: 100full
Flow Control Type: None
Console#
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