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In the default configuration, there is no channel or class created.

Create the class by clicking the "Add Class" button, to set the transmit rate redistribution for one or more channels.

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ParameterDescription
ClassService class number in the range 1-200
MaxMaximal available transmit rate in Kbps

You can delete an existed class by clicking the corresponding "Remove Class" button.

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titleFigure - Traffic Shaping options

In order to prioritize the data flows and/or to set the data transfer rates, create the logical channels by clicking the "Add Channel" button.

The following parameters can be configured in the "Traffic Shaping" section for the logical channels:

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titleTable - Logical channel parameters
Logical channel parameterDescription

Channel

  • Logical channel number (1-200 allowed)

Max

  • Set the maximum transmit rate (in Kbps)
  • You can limit the data traffic within a logical channel to a certain rate of kilobits per second
  • The value can also be set in percentage of the class.

PPS

  • Set the maximum packet per second rate (in pps)
  • You can limit the data traffic within a logical channel to a certain rate of packets per second

Latency

Set latency value (between 5 ms and 200 ms) for each channel (queue length)

  • Leave it empty for the default value
  • Determines the maximum time the packets can to stay in the queue
  • Packets are discarded if they are still in the queue after the value set for latency is reached
Parent Class
  • Establish affiliation to a class.
Ceil
  • Available only if the parent class is specified.
  • Set the maximum non-guaranteed transmit rate in a percentage of the higher-class band or in Kbps.
  • If no value is specified, the free transmit rate of the class is distributed evenly between the channels, depending on the load.

Priority

  • Allocate the priority for all the packets going through a specific rule:
    • Up to” - used to increase the packet priority to the specified value only if the processed packet has a lower priority
    • Set” - used to assign a new priority regardless of the value already assigned to the packet

Redirect To

  • Set the gateway IP address (only for the router mode)
  • The whole stream is redirected to the specified IP-address regardless of the current routing configuration
  • It  may be useful when the router serves as a network access unit and two or more different clients want to access different providers through one unit

Information

  • Set a description for the logical channel created

You can delete an existed logical channel by clicking the corresponding «Remove Channel» button.

You can create a traffic shaping rule by clicking the «Add Rule» button.

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titleTable - Traffic shaping rules
Traffic shaping rule parameterDescription

Channel

  • Select the logical channel from the dropdown list
  • All the parameters of this rule are applied to this channel

Priority

  • Set the priority for the packets going through the new rule of the filter:
    • Up to” - used to increase the packet priority to the specified value only if the processed packet has a lower priority
    • Set” - used to assign a new priority regardless of the value already assigned to the packet

Direction

  • Set the input/output direction for applying the new rule:
    • Input” - the rule is used to process inbound traffic
    • Output” - the rule is used to process outbound traffic and for post-routing packet filtering

Interface

  • Set the interface for applying the new rule
  • All the available interfaces are displayed in the dropdown list (physical and logical)
  • If “any” option is used, the rule is applied to all available interfaces

Group

  • Set the Switch Group number for the applying of the new rule
  • The Switch Group must be prior created

Rule

  • Set the packet capture filter
  • It is the same syntax called “PCAP expression”, as in the "Switching" section
  • Refer to the filter expression syntax description above
  • Validate the rule by clicking the «Validate» button

You can delete an existed traffic shaping rule by clicking the corresponding «Remove Rule» button.