Beta Draft Confidential
Configuring ATM Logical Ports on Frame-based Modules
About ATM Logical Port Functions
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/054-13
Trap Control Sets the congestion threshold
percentage in which traps are
generated, and the number of
frame errors per minute on each
logical port.
All Frame-based
cards (see
Table 4-1 on
page 4-7)
QoS Sets the bandwidth allocation for
the available QOS classes.
All
All
Discard/
Congestion
Mapping
Provides support for configurable
mapping of discard eligible/cell
loss priority (DE/CLP) and
forward explicit congestion
notification (FECN)/explicit
forward congestion indication
(EFCI) bits for both ingress and
egress traffic.
• Direct trunk
• OPTimum
cell trunk
• OPTimum
frame trunk
•Interworking
for FR NNI
ATM CS
and IWU
cards
OPTimum Trunk
VPI Range
Specifies the VPI of an OPTimum
cell trunk.
OPTimum cell
trunk
All
Table 4-4. Add Logical Port Tabs (Continued)
Tab Name Description Logical Port
Type
Card Types