Interface Commands 4

Related Commands

negotiation (4-127)speed-duplex(4-126)

shutdown

This command disables an interface. To restart a disabled interface, use the no form.

Syntax

[no] shutdown

Default Setting

All interfaces are enabled.

Command Mode

Interface Configuration (Ethernet Ports 1-8, Port Channel)

Command Usage

This command allows you to disable a port due to abnormal behavior (e.g., excessive collisions), and then reenable it after the problem has been resolved. You may also want to disable a port for security reasons.

Example

The following example disables port 5.

Console(config)#interface ethernet 1/5

Console(config-if)#shutdown

Console(config-if)#

switchport broadcast packet-rate

This command configures broadcast storm control. Use the no form to disable broadcast storm control.

Syntax

switchport broadcast packet-rate rate no switchport broadcast

rate - Threshold level as a rate; i.e., packets per second. (Range: 1042-262143)

Default Setting

Enabled

Packet-rate limit: 1042 pps

Command Mode

Interface Configuration (Ethernet Ports 1-8)

Command Usage

When broadcast traffic exceeds the specified threshold, packets above that threshold are dropped.

Broadcast control does not effect IP multicast traffic.

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