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The following table describes the labels in this screen.
Label
Name
Mode
Encapsulation
Multiplex
Virtual Circuit ID VPI (Virtual Path Identifier) and VCI (Virtual Channel
VPI
VCI
ATM QoS Type
Cell Rate
Peak Cell Rate
Sustain Cell
Rate
Maximum Burst Maximum Burst Size (MBS) refers to the maximum number
Description
Enter the name of your Internet Service Provider, e.g.,
MyISP. This information is for identification purposes only.
Select Routing (default) from the drop-down list box if your
ISP allows multiple computers to share an Internet account.
Otherwise select Bridge.
Select the method of encapsulation used by your ISP from
the drop-down list box.
Choices vary depending on the mode you select in the Mode
field.
If you select Bridge in the Mode field, select either PPPoA or
RFC 1483.
If you select Routing in the Mode field, select PPPoA, RFC
1483, ENET ENCAP or PPPoE.
Select the method of multiplexing used by your ISP from the
drop-down list. Choices are VC or LLC.
Identifier) define a virtual circuit. Refer to the appendix for
more information.
The valid range for the VPI is 0 to 255. Enter the VPI
assigned to you.
The valid range for the VCI is 32 to 65535 (0 to 31 is
reserved for local management of ATM traffic). Enter the VCI
assigned to you.
Select CBR (Continuous Bit Rate) to specify fixed (always-
on) bandwidth for voice or data traffic. Select UBR
(Unspecified Bit Rate) for applications that are non-time
sensitive, such as e-mail. Select VBR (Variable Bit Rate) for
bursty traffic and bandwidth sharing with other applications.
VBR is not available on all models.
Cell rate configuration often helps eliminate traffic congestion
that slows transmission of real time data such as audio and
video connections.
Divide the DSL line rate (bps) by 424 (the size of an ATM
cell) to find the Peak Cell Rate (PCR). This is the maximum
rate at which the sender can send cells. Type the PCR here.
The Sustain Cell Rate (SCR) sets the average cell rate (long-
term) that can be transmitted. Type the SCR, which must be
less than the PCR.
COMPACT ROUTER ADSL
A02-RA110
Pag. 43
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