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Configuring ATM Logical Ports on Frame-based Modules
Defining ATM Network Interworking for Frame Relay NNI Logical Ports
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/054-47
Discard/Congestion Mapping Attributes
The Set Discard/Congestion Mapping tab enables you to select discard and congestion
priority bit mappings on data sent to and from the logical port. Egress mapping takes
place just before the ATM interface transmits the data; ingress mapping takes place
after the ATM interface receives the data. These options provide support for
configurable mapping of the DE/CLP and FECN/EFCI bits.
Select the Discard/Congestion Mapping tab in the Add Logical Port dialog box
(Figure 4-10) and complete the fields as described in Table 4-19.
Figure 4-10. Add Logical Port: Discard/Congestion Mapping Tab
DTE Full Status
Poll Frequency:
(1-255)
Specify the number of T391 polling cycles between full status inquiry
messages. Reduce this value to absorb more bandwidth, since the
more frequent full status requests increase overhead. The default
value is 1 for one-to-one mapping.
Table 4-18. Add Logical Port: Link Management Tab Fields (Continued)
Field Action/Description
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