Configuring Flow Setup Throttling

This section provides details for the configuration of FST on the S- and K-Series products.

The following table lists FST parameters and their default values.

Default Flow Setup Throttling Parameters

Parameter	Description	Default Value
action1	Specifies the action associated with the low-limit (limit1) for a given port classification	notify
action2	Specifies the action associated with the high-limit (limit2) for a given port classification.	disable and notify
flowlimit global state	Specifies whether FST is enabled or disabled globally on the device.	disabled
flowlimit interface state	Specifies whether FST is enabled or disabled on a specified interface	enabled
interface disable global state	Specifies whether the disable interface action is enabled or disabled globally on the device.	disabled
notification global state	Specifies whether notification is enabled or disabled globally on the device.	enabled
notification interval	Specifies the number of seconds to wait before generating another notification of the same type on the same interface.	120 seconds
port classification	Specifies the type of port for a given flowlimit and action.	unspecified

The following describes how to configure FST.

Configuring FST

Step	Task	Command(s)
1	Set the low- and high-limit values for each traffic classification to be applied to network ports. limit1 – The low-limit option to which the specified limit is applied. limit2 – The high-limit option to which the specified limit is applied. limit – specifies flows threshold for each limit type. class-index – Specifies a numeric value for the class user classification type to assign to this action. userport – Specifies the configured limit will be applied to an edge port with a single attached user. Default values: limit1 = 800, limit2 = 1000. serverport – Specifies the configured limit will be applied to a port with a server attached to it. Default values: limit1 = 5000, limit2 = 6000. aggregateduser – Specifies the configured limit will be applied to an edge port with multiple users attached to it. Default values: limit1 = 5000, limit2 = 6000. interswitchlink – Specifies the configured limit will be applied to a high speed interconnect port between switches or routers. Default values: limit1 = 14000, limit2 = 16000. unspecified – Specifies the configured limit will be applied to a port for which the intended usage is unknown. Default values: limit1 = 0, limit2 = 0 (disabled). If no port classification type is specified, the limit is applied to all classifications.	set flow limit {limit1 limit | limit2 limit} [class-index | userport | serverport | aggregateduser | interswitchlink | unspecified]
2	Add the low- and high-limit action to be taken for the specified classification to the current list of actions. action1 - The action associated with the low-limit option, to which the specified action is applied. action2 - The action associated with the high-limit option, to which the specified action is applied. notify - Specifies that an SNMP trap notification will be sent for this action. drop - Specifies that flow setup requests and packets associated with flows in excess of configured limits should be dropped for this action. disable - Specifies that the interface should be disabled for this action. class-index – Specifies a numeric value for the class user classification type to assign to this action. If no action is specified then the default precedence of disable, drop, and notify is applied. If a port classification is specified, the configured action is added to that port classification list. The actual action applied depends upon port classification precedence for the list. See #ID-2456-0000ed1e/ID-2456-0000ed83 of this procedure for port classification definitions. If no port classification is specified, the specified action is applied to all port classifications.	set flowlimit {action1 | action2} [notify | drop | disable] [class-index | userport | serverport | aggregateduser | interswitchlink | unspecified]
3	Set the ports to be used by the specified port classification. See step 1 for port classification definitions. If no port-string is specified, the specified port classification is applied to all ports.	set flowlimit port class {class-index | userport | serverport | aggregateduser | interswitchlink | unspecified} [port-string]
4	Optionally, enable or disable FST on the specified port or all ports. port-string - Specifies the port to which FST is enabled. If no port-string is specified, all ports are enabled for FST.	set flowlimit port {enable | disable} [port-string]
5	Optionally enable or disable SNMP trap notifications globally on the device. Configured notify port actions will not occur until notification is globally enabled on the device. interval - Specifies the number of seconds to wait before generating another notification of the same type for the same interface.	set flowlimit notification {enable | disable} | interval}
6	Optionally enable or disable port shutdown globally on the device. Configured disable-port actions will not occur until port shutdown is globally enabled on the device.	set flowlimit shutdown {enable | disable}
7	Enable FST on the device.	set flowlimit enable
8	Optionally set to the operational state an administratively flowlimit disabled port. port-string - Specifies the port to be manually set to the operational state. If no port-string is specified, all ports are set to the operational state.	set flowlimit port status operational port-string

Managing FST describes how to manage link aggregation.

Managing FST

Task	Command
Clear the specified limit configuration for the specified port classification or for all port classifications. limit1 - The low-limit option to be cleared. limit2 - The high-limit option to be cleared. class-index – Specifies a numeric value for the class user classification type to assign to this action. userport - Clears the user port classification. serverport - Clears the server port classification. aggregateduser - Clears the multi-user port classification. interswitchlink - Clears the ISL port classification. unspecified - Clears the unspecified port classification. If no port classification is specified, the specified limit is cleared for all port classifications.	clear flowlimit {limit1 | limit2} [class-index | userport | serverport | aggregateduser | interswitchlink | unspecified]
Clear the specified action configured for the specified port classification or for all port classifications. action1 - The low-limit action option to be cleared. action2 - The high-limit action option to be cleared. userport - Clears the user port classification. class-index – Specifies a numeric value for the class user classification type to assign to this action. serverport - Clears the specified action for the server port classification. aggregateduser - Clears the specified action for the multi-user port classification. interswitchlink - Clears the specified action for the ISL port classification. unspecified - Clears the specified action for the unspecified port classification. If no port classification is specified, the specified action is cleared for all port classifications.	clear flowlimit {action1 | action2} [notify] [drop] [disable] [class-index | userport | serverport | aggregateduser | interswitchlink | unspecified]
Clear the port classification for the specified port or for all ports. The port classification is reset to unspecified (the default). port-string - Specifies the port for which to clear the port classification. If no port-string is specified, the port classification is cleared on all ports.	clear flowlimit port class [port-string]
Clear the flowlimit notification interval to the default value.	clear flowlimit notification interval
Clear all FST statistics associated with one or more ports. port-string - Specifies the port for which to clear the show display statistics. If no port-string is specified, the statistics are cleared on all ports.	clear flowlimit stats [port-string]

Displaying FST Information and Statistics describes how to display link aggregation information and statistics.

Displaying FST Information and Statistics

Task	Command
Display FST port configuration for one or more ports. port-string - Specifies the port for the display of port configuration. If no port-string is specified, configuration is displayed for all ports.	show flowlimit port [port-string]
Display FST statistics for one or more ports. port-string - Specifies the port for the display of FST statistics. If no port-string is specified, statistics are displayed for all ports.	show flowlimit stats [port-string]
Display FST port classification configuration. If a port classification is not specified, configuration for all port classifications is displayed.	show flowlimit class [class-index | userport | serverport | aggregateduser | interswitchlink | unspecified]