
Configuring Frame Relay Services
3-4 117376-B Rev. 00
• The March draft of ADDR Q922 differs from ADDR Q922 in defining an
11-bit DLCI and dropping the DE bit from the second octet of the address
field.
• ADDR Q921 differs from ADDR Q922 MARCH 90 in that it does not use
FECNs or BECNs, which means that it does not provide congestion control.
Selecting Address Length
The options for the DLCI address length are 2, 3, or 4 bytes. To understand the
distinctions among these byte formats, see the illustrations of frame relay headers
in F
igure 2-2 and Figure 2-3. To specify address type and length:
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
click on a port configured for frame relay.
The Edit Connector window opens.
2. Click on Edit Circuit. The Frame Relay Circuit Definition
window opens.
3. Click on Interfaces. The Frame Relay Interfaces window
opens.
4. Set the following parameters, using Help
or the parameter descriptions on
page A-
6:
• Address
• Address Length
5. Edit other parameters if you want, and
click on Apply.
6. Click on Done. You return to the main Configuration
Manager window.
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