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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2    Catalyst 3550 Switch Cisco IOS Commands
show storm-control
This is an example of output from the show storm-control command for a specified interface. Because 
no traffic type keyword was entered, the broadcast storm control settings appear.
Switch> show storm-control fastethernet0/1
Interface  Filter State   Upper       Lower      Current
---------  -------------  ----------  ---------  ---------
Fa0/1      Forwarding  20 pps  10 pps  5 pps
Table 2-26 describes the fields in the show storm-control display.
Related Commands
Ta b l e  2-26 show storm-control Field Descriptions 
Field Description
Interface Displays the ID of the interface.
Filter State Displays the status of the filter:
  • Blocking—Storm control is enabled, and a storm has occurred.
  • Forwarding—Storm control is enabled, and no storms have occurred.
  • Inactive—Storm control is disabled.
Upper Displays the rising suppression level as a percentage of total available 
bandwidth or in packets per second.
Lower Displays the falling suppression level as a percentage of total available 
bandwidth or in packets per second.
Current Displays the bandwidth utilization of broadcast traffic or the specified traffic 
type (broadcast, multicast, or unicast) as a percentage of total available 
bandwidth or in packets per second. If storm control is disabled, this field 
displays N/A (not applicable).
Command Description
storm-control Configures the broadcast, the multicast, or the unicast storm control with the 
specified suppression level.