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User Guide 666
Configuring QoS Bandwidth Control Configuration
Step6 storm-control unicast
rate
Specify the upper rate limit for receiving unknown unicast frames. The traffic exceeding the
limit will be processed according to the Action configurations.
rate
: Specify the upper rate limit for receiving unknown unicast frames. The valid values differ
among different rate modes. For kbps, the rate ranges from 1 to 1000000 kbps, and is rounded
off to the nearest multiple of 64. For ratio, the rate ranges from 1 to 100 percent. For pps, the
rate ranges from 1 to 1488000 packets per second.
Step 7 storm-control exceed {drop | shutdown} [recover-time
time
]
Specify the action and the recover time. The switch will perform the action when the traffic
exceeds its corresponding limit. By default, it is drop.
drop: Set the Action as Drop. The port will drop the subsequent packets when the traffic
exceeds the limit.
shutdown: Set the Action as Shutdown. The port will be shutdown when the traffic exceeds the
limit.
time
: Specify the recover time for the port. It takes effect only when the action is set as
shutdown. The valid values are from 0 to 3600 and the default value is 0. When the port is
shutdown, it can recover to its normal state after the recover time passed. If the recover time
is specified as 0, which means the port will not recover to its normal state automatically and
you can recover the port manually.
Step 8 storm-control recover
(Optional) Recover the port manually. When the recover time is specified as 0, the port will not
recover to its normal state automatically. In this condition, you need to use this command to
recover the port manually.
Step 9 show storm-control interface [fastEthernet
port
| gigabitEthernet
port
| ten-gigabitEthernet
port
| port-channel
port-channel-id
]
Verify the storm control configurations of the port or LAG. If no port or LAG is specified, it
displays the storm control configuration for all ports or LAGs.
Step 10 end
Return to privileged EXEC mode.
Step 11 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to configure the upper rate limit of broadcast packets as
1024 kbps, Specify the action as shutdown and set the recover time as 10 for port 1/0/5:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/5
Switch(config-if)#storm-control rate-mode kbps
Switch(config-if)#storm-control broadcast 1024
Switch(config-if)#storm-control exceed shutdown recover-time 10
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