Cisco HWIC-4ESW - Configuring Per-Port Storm Control

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
68
Book Title
Configuring Per-Port Storm Control
You can use these techniques to block the forwarding of unnecessary flooded traffic. This section
describes how to configure per-port storm control and characteristics on your router and consists of the
following configuration procedures:
• Enabling Per-Port Storm Control, page 68
• Disabling Per-Port Storm Control, page 69
By default, unicast, broadcast, and multicast suppression is disabled.
Enabling Per-Port Storm Control
Use these steps to enable per-port storm control.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface interface-id
4. storm-control {broadcast | multicast | unicast} level level-high [level-low]
5. storm-control action shutdown
6. end
7. show storm-control [interface] [broadcast | multicast | unicast | history]
Step 6
show ip igmp snooping mrouter [vlan vlan-id]
Example:
Router# show ip igmp snooping mroute vlan
vlan1
Displays Mroute discovery information.
Step 7
copy running-config startup-config
Example:
Router# copy running-config startup-config
(Optional) Saves your configuration to the startup
configuration.
Command Purpose