31
nrtVBR (non-real time Variable Bit Rate) – This class
allows users to send traffic at a rate that varies with time
depending on the availability of user information.
Statistical multiplexing is provided to make optimum use
of network resources. Multimedia e-mail is an example of
nrtVBR.
PCR
Divide the DSL line rate (bps) by 424 (the size of an ATM
cell) to find the PCR (Peak Cell Rate). This is the
maximum rate at which the sender can send cells.
SCR
SCR (Sustain Cell Rate) is the average rate, as
measured over a long interval, in the order of the
connection lifetime.
Parameter
Description
MBS
MBS (Maximum Burst Size) refers to the maximum
number of cells that can be sent at the peak rate. Type
the MBS, which is less than 65535.
z
Encapsulation
The router can be connected to your service provider in any of the following ways.
Parameter
Description
Dynamic IP Address Obtain an IP address automatically from your service
provider.
Static IP Address
Uses a static IP address. Your service provider gives a
static IP address to access Internet services.
PPPoE/PPPoA
PPPoE (PPP over Ethernet) and PPPoA (PPP over
ATM) are common connection methods used for xDSL.
Bridge Mode
Bridge Mode is a common connection method used for