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# Configuring Port Shaping

To configure port-shaping:

1. Configure the scheduler profile and the shaping rate.
   `
   host1(config)#scheduler-profile 80mbps
   host1(config-scheduler-profile)#shaping-rate 80000000
   host1(config-scheduler-profile)#exit
   `
2. Configure a QoS profile, specify the node command, and reference the scheduler-profile.
   `
   host1(config)#qos-profile 80mbps
   host1(config-qos-profile)#ethernet node scheduler-profile 80mbps
   host1(config-qos-profile)#exit
   `
3. Attach the QoS profile to the port.
   `
   host1(config)#interface fastethernet 2/0
   host1(config-if)#qos-profile 80mbps
   `

The sample configuration shapes Fast Ethernet port 2/0 to a rate no higher than 80 Mbps.

Using the following configuration, you can shape the corresponding HDLC channel down to 20 Mbps:

`

host1(config)#scheduler-profile 20mbps
host1(config-scheduler-profile)#shaping-rate 20000000
host1(config-scheduler-profile)#exit
host1(config)#qos-profile 20mbps
host1(config-qos-profile)#serial node scheduler-profile 20mbps
host1(config-qos-profile)#exit
host1(config)#interface serial 2/0:1/1
host1(config-if)#qos-profile 20mbps

`

#### Related Topics

- Rate Shaping and Port Shaping Overview
- Configuring a Scheduler Profile for a Scheduler Node or Queue
- For more information about specifying an expression that you can reference within a scheduler profile, see Using Expressions for Bandwidth and Burst Values in a Scheduler Profile
- node command
- qos-profile command
- scheduler-profile command
- shaping-rate command

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