4 - Configuring the SAGEM F@st™ 1500 ADSL router
SAGEM F@st™ 1500 Reference Manual - 288053220-03
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4.4.1 ATM PVCEnter ATM (Asynchronous Transf er Mode) function parameters here.
Parameter Description
Protocol • Disable Disables the ATM mode.
• 1483 Bridging Bridging: Bridging is a standardized layer 2 technology. It is
typically used in corporate networks to extend the physical reach of
a single LAN segment and increase the number of stations on a
LAN without compromising performance. Bridged data is
encapsulated using the RFC1483 protocol to enable data
transport.
• PPPoA: Point-to-Point over ATM
• 1483 Routing Use 1483 Routing protocol.
• PPPoE Point-to-Point over Ethernet.
• MAC Encapsulated
Routing
MAC Encapsulated Routing
VPI/VCI Virtual Path Identifier (VPI) and Virtual Circuit Identifier (VCI).Each connection must have a
unique pair of VPI/VCI settings.
Encapsulation Specifies how to handle multiple protocols at the ATM transport layer.
• VC-MUX Point-to-Point Protocol over ATM Virtual Circuit Multiplexer (null encapsulation)
allows only one protocol running per virtual circuit with less overhead.
• LLC Point-to-Point Protocol over ATM Logical Link Control (LLC) allows multiple protocols
running over one virtual circuit (using slightly more overhead).
QoS • CBR Constant Bit Rate. It is used for voice application.
• VBR Variable Bit Rate. It is used for video application.
• UBR Unspecified Bit Rate. It is used in Best Effort for IP and Ethernet (for Data
Application)
PCR/SCR/MBS • PCR Peak Cell Rate.
• SCR Sustainable Cell Rate.
• MBS Maximum Burst Size.