Multitech MultiFRAD FR220, User Manual, Page: 53 / 103

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Chapter 4 - MultiFRAD Software
If you are connected to a frame relay service, this dialog box should display your current DLCI
numbers automatically. It also shows the protocol mapping of the highlighted DLCI, which data ports
are mapped to it, and how you set up your Congestion Management, Mode, CIR, and Be values. To
change the mapping of a DLCI, highlight the DLCI number in the list on the left side of the dialog box.
The dialog box will then change to the mapping of that DLCI. To add a new DLCI that has not been
auto detected, click the New (+) button and the Frame Relay New DLCI dialog box is displayed.
To add a new DLCI Number, enter the number in the Enter DLCI Number window. You do not have to
enter the leading zeros.
When you click the OK button, the new DLCI appears in the DLCI’s window in the Frame Relay DLCI
dialog box.
When a DLCI has just been detected, or if you have just created a new DLCI, then no protocols or
data ports are yet mapped to it. The default Congestion Management, mode, CIR, and Be are
displayed. You should verify these default settings with the way your new DLCI is provisioned by your
service provider.your service provider.
Congestion Management, Mode, and CIR/Be settings are used to avoid congestion and possible loss
of data. The Committed Information Rate (CIR) and Excess Burst rate (Be) settings are throughput
amounts determined by the network and user when each DLCI is ordered. The CIR is the basic
throughput which the network will try to set aside for that DLCI. It will always be equal to or less than