Cisco 7609 User Manual

28-3
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
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Chapter 28 Configuring Traffic Storm Control
Enabling Traffic Storm Control
When configuring the traffic storm control level, note the following:
• You can configure traffic storm control on an EtherChannel (a port channel interface).
• Do not configure traffic storm control on ports that are members of an EtherChannel. Configuring
traffic storm control on ports that are configured as members of an EtherChannel puts the ports into
a suspended state.
• Specify the level as a percentage of the total interface bandwidth:
– The level can be from 0 to 100.
– The optional fraction of a level can be from 0 to 99.
– 100 percent means no traffic storm control.
– 0.0 percent suppresses all traffic.
Because of hardware limitations and the method by which packets of different sizes are counted, the level
percentage is an approximation. Depending on the sizes of the frames making up the incoming traffic,
the actual enforced level might differ from the configured level by several percentage points.
This example shows how to enable multicast traffic storm control on Gigabit Ethernet interface 3/16 and
how to configure the traffic storm control level at 70.5 percent. This configuration applies the traffic
storm control level to all traffic storm control modes enabled on Gigabit Ethernet interface 3/16:
Router# configure terminal
Router(config)# interface gigabitethernet 3/16
Router(config-if)# storm-control multicast level 70.5
Router(config-if)# end
Step 4
Router(config-if)# storm-control unicast level
level[.level]
Note The storm-control unicast command is
supported only on Gigabit Ethernet interfaces.
Enables unicast traffic storm control on the interface,
configures the traffic storm control level, and applies the
traffic storm control level to all traffic storm control
modes enabled on the interface.
Router(config-if)# no storm-control unicast level
Disables unicast traffic storm control on the interface.
Step 5
Router(config-if)# end
Exits configuration mode.
Step 6
Router# show running-config interface
Verifies the configuration.
1. type = ethernet, fastethernet, gigabitethernet, or tengigabitethernet
Command Purpose

Cisco 7609 Specifications

General

Chassis Slots	9
Switch Fabric Capacity	720 Gbps
Power Supply Options	AC or DC
Product Type	Router
Form Factor	Rack-mountable
Supported Line Cards	Various Cisco 7600 Series line cards
Operating System	Cisco IOS
Management	CLI, SNMP
Forwarding Performance	400 Mpps
Maximum Power Consumption	4000 Watts
Redundancy	Yes
Interfaces/Ports	Various, depending on line cards installed