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ATM Traffic Shaping

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The ATM settings in the WAN configuration menus for the different connection types can be used to adjust QoS parameters for ADSL clients. This may not be available to all ADSL accounts. Ask your ISP if ATM Traffic Shaping is available for your account.

ATM Settings for WAN connection (PPPoE/PPPoA menu)

Additional ATM settings for PPPoE or PPPoA connections:

ATM QoS Parameters Description

Service Category

The ATM settings allow the user to adjust ATM Quality of Service (QoS) or traffic parameters to suit specific traffic requirements. For applications or circumstances where packet loss or packet delays are a concern, ATM QoS can be adjusted to minimize problems. For most accounts, it will not be necessary to change these settings. Altering QoS settings can adversely affect performance of some commonly used Internet applications.

If you plan to change QoS or traffic parameters, contact your ISP or network services provider for information on what types of adjustment are available or possible for your account. Your ISP may not support the class of service you want to use.

To adjust ATM QoS parameters, select one of the Service Categories listed here and type in the PCR value in the entry field below. For the VBR service category, an additional parameter (SCR) must also be defined.

UBR – Unspecified Bit Rate, this is the default category used for general-purpose Internet traffic where normal levels of packet loss and delay are acceptable. For some applications or for multiple connection accounts, it may be

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