Configure network interfaces Configure Advanced interfaces settings: External modems and PPP
Digi TransPort WR Routers User Guide 329
PPP QoS parameters
The parameters on this page control the Quality of Service management facility. Each PPP instance
has an associated QoS instance, where PPP 0 maps to QoS 0, PPP 1 maps to QoS 1, and so on.
These QoS instances include ten QoS queues into which packets may be placed when using QoS.
Each of these queues must be assigned a queue profile from the twelve available.
To configure the PPP QoS parameters, set the following values:
Enable QoS on this interface
When enabled, displays the following QoS configuration parameters:-
• Link speed n Kbps: The value in this text entry box should be set to the maximum data rate
that this PPP link is capable of sustaining. The router uses this setting when calculating
whether the data rate from a queue exceeds its minimum Kbps setting, as determined by the
profile assigned to it and send at a higher rate, up to the maximum Kbps setting.
• Queue n: Below this column heading, is a list of ten queue instances. Each instance is
associated with the profile and priority on the same row.
• Profile n: This column contains the profile to be associated with the queue. There are twelve
available, 0-11, selected from the drop-down list boxes.
• Priority: Assigns a priority to the selected queue. Available priorities are: Very High, High,
Medium, Low, and Very Low.
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