Interface Commands

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Default Setting
All interfaces are enabled.
Command Mode
Interface Configuration (Ethernet, 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.

switchport packet-rate

This command configures broadcast, multicast and unknown unicast storm control.
Use the no form to restore the default setting.
Syntax
switchport {broadcast | multicast | unicast} packet-rate rate
no switchport {broadcast | multicast | unicast}
broadcast - Specifies storm control for broadcast traffic.
multicast - Specifies storm control for multicast traffic.
unicast - Specifies storm control for unknown unicast traffic.
rate - Threshold level as a rate; i.e., kilobits per second.
(Range: 500-262143)
Default Setting
Broadcast Storm Control: Enabled, packet-rate limit: 500 pps
Multicast Storm Control: Disabled
Unknown Unicast Storm Control: Disabled
Command Mode
Interface Configuration (Ethernet)
Command Usage
When traffic exceeds the threshold specified for broadcast, multicast or
unknown unicast traffic, packets exceeding the threshold are dropped until the
rate falls back down beneath the threshold.
Console(config)#interface ethernet 1/5
Console(config-if)#shutdown
Console(config-if)#