Beta Draft Confidential
Configuring ATM Over MPLS Trunks
Configuring Feeder Logical Ports
Table 8-5. Add Logical Port: ATM Tab Fields (Continued)
Field
Action/Description
Control UPC Function
Choose one of the following settings for the network parameter
control (NPC) function:
Enabled – (default) Cells that do not conform to the traffic
parameters are dropped or tagged as they come into the port.
Disabled – All traffic, including non-conforming traffic, passes
in through the port. If you disable the NPC function on a
logical port, QoS is no longer guaranteed on the network due to
the potential for increasing the CLR on network circuits. For
this reason, Lucent recommends that you leave the NPC
function enabled on all logical ports.
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
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