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Port Configuration
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• Max MAC count – Shows the maximum number of MAC address that can be
learned by a port. (0 - 1024 addresses)
• Port security action – Shows the response to take when a security violation is
detected. (shutdown, trap, trap-and-shutdown, or none)
Current Status:
• Link Status – Indicates if the link is up or down.
• Port Operation Status – Provides detailed information on port state.
(Displayed only when the link is up.)
• Operation speed-duplex – Shows the current speed and duplex mode.
• Flow control type – Indicates the type of flow control currently in use.
(IEEE 802.3x, Back-Pressure or none)
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 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 4-138
Information of Eth 1/5
Basic information:
Port type: 100TX
Mac address: 00-30-f1-47-58-46
Configuration:
Name:
Port admin: Up
Speed-duplex: Auto
Capabilities: 10half, 10full, 100half, 100full
Broadcast storm: Enabled
Broadcast storm limit: 32000 octets/second
Flow control: Disabled
Lacp: Disabled
Port security: Disabled
Max MAC count: 0
Port security action: None
Current status:
Link status: Down
Operation speed-duplex: 100full
Flow control type: None
Console#