SMC Networks SMC7904WBRA-N2 - User Manual page 51

In this page, you can add or remove the DSL ATM Interfaces.
Click the Add button to display the following page.
In this page, you can set the VPI and VCI values, and select the DSL latency, link type
(EoA is for PPPoE, IPoE, and Bridge.), connection mode, encapsulation mode,
service category, and IP QoS scheduler algorithm.
VPI (Virtual Path Identifier): The virtual path between two points in an ATM

network, and its valid value is from 0 to 255.
VCI (Virtual Channel Identifier): The virtual channel between two points in

an ATM network, ranging from 32 to 65535 (1 to 31 are reserved for known
protocols).
Select DSL Latency: You may select Path0 and Path1.
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