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CHAP:
Challenge-Handshake Authentication Protocol. Typically more secure than
PAP, CHAP uses username and password in combination with a randomly generated
challenge string which has to be authenticated using a one-way hashing function.
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MTU:
Maximum Transmission Unit. The largest size packet that can be sent by the modem.
If the network stack of any packet is larger than the MTU value, then the packet will be
fragmented before the transmission. This can be set from a minimum 128 to maximum 1500.
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On Demand:
If enable On Demand mode, the connection will be dropped if no activity is
detected after the specified Idle Timeout value.
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Default Gateway:
Check box to make this the default connection.
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Enforce MTU:
Check box if you experience problems accessing the Internet over a PPPoE
connection. This feature will force all TCP traffic to conform with PPP MTU by changing TCP
Maximum Segment Size to PPP MTU. MTU (Maximum Transmission Unit) is defined as the
maximum packet size (In bytes), that a particular interface can handle.
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Debug:
Click to enable the Debug function. The complete debugging information will show
and listed in the System Log file.
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PPP Unnumbered:
Click to enable PPP Unnumbered function then select LAN Group from
the LAN dropdown manual.
±
PVC Settings:
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PVC:
This field allows you to choose the specific PVC for the PPP session.
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VPI:
Virtual Path Identifier is a virtual path used for cell routing that is identified by an eight bit
field in the ATM cell header. The VPI field specifies this eight-bit identifier for routing.
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VCI:
A Virtual Channel Identifier is a virtual channel that is identified by a unique numerical
tag that is defined by a 16-bit field in the ATM cell header. The purpose of the virtual channel
is to identify where the cell should travel. The VCI field specifies this 16 bit numerical tag that
determines the destination.
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QoS:
Select the Quality of Service (QoS) type. If in doubt leave as default.
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PCR:
Peak Cell Rate. This is an ATM (Asynchronous Transfer Mode) term to describe the
rate cells per second that the source device may never exceed. Available only when VBR
QoS is chosen.
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SCR:
Security Cell Rate. This is an ATM (Asynchronous Transfer Mode) term to describe the
security cell transmitted per second.
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MBS:
Maximum Burst Size. A term used in ATM (Asynchronous Transfer Mode) to specify
the maximum number of cells that can be transmitted at the contracted PCR (Peak Cell Rate).
Available only when VBR QoS is chosen.
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CDVT:
Cell Delay Variation Time. The Cell Delay Variation is a term used in ATM
(Asynchronous Transfer Mode) to describe the time difference that is acceptable between
cells being presented at the receiving host. Available only when VBR QoS is chosen.
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Auto PVC:
Click to enable Auto PVC features. Auto PVC allows detection of virtual channels
via the built-in mechanism for communicating ATM Layer information from DSLAM to the
WL-8064ARM Wireless ADSL2/2+ Router.