Configuring Port-Based Traffic Control 68724Configuring Port-Based TrafficControlThis chapter describes how to configure features that provide traffic controlthrough filtering the type of traffic or limiting the speed or amount of trafficon a per-port basis. The features this section describes includes flow control,storm control, protected ports, and Link Local Protocol Filtering (LLPF),which is also known as Cisco Protocol Filtering.The topics covered in this chapter include:• Port-Based Traffic Control Overview• Default Port-Based Traffic Control Values• Configuring Port-Based Traffic Control (Web)• Configuring Port-Based Traffic Control (CLI)• Port-Based Traffic Control Configuration ExamplePort-Based Traffic Control OverviewTable 24-1 provides a summary of the features this chapter describes.Table 24-1. Port-Based Traffic Control FeaturesFeature DescriptionFlow control Allows traffic transmission between a switch port and anotherEthernet device to be paused for a specified period of time whencongestion occurs.Storm control Limits the amount of broadcast, unknown unicast, and multicastframes accepted and forwarded by the switch.Protected ports Prevents traffic from flowing between members of the sameprotected port group.LLPF Filters proprietary protocols that should not normally be relayedby a bridge.
