Beta Draft Confidential
Configuring ATM PVCs
Configuring Frame Relay-to-ATM Interworking Circuits
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/0510-51
Admin Cost
Threshold
This feature determines the path of the PVC, depending on the
administrative cost threshold that you specify.
Enabled – If you select the Enable check box, the PVC will not be
routed over a path whose total administrative cost exceeds the
entered value. This means that if you enable this field and enter a
value of 1000 in the Value field, the PVC will not be routed over a
path whose total admin cost exceeds 1000. The NMS calculates
the total admin cost for a path by using the sum of the admin cost
for each trunk in the path. The valid range for this field is 1 –
4294967295.
Disabled – (default) If you clear the Enable check box, this field is
disabled.
Note: Do not use this option if you use End-to-End Delay routing.
For more information, see the next section “How PVC Routing
Thresholds Interact With LPort Routing Metrics.”
End-End Delay
Threshold
(cell transfer
delay)
This feature determines the path of the PVC, depending on the
end-end delay threshold that you specify.
Enabled – Select the Enable check box so the PVC will not be
routed over a path whose total end-to-end delay exceeds the
entered value. This means that if you enable this field and enter a
value of 500 µsec in the Value field, the PVC will not be routed
over a path whose total end-to-end delay exceeds 500 µsec. The
NMS calculates the total end-to-end delay for a path by using the
sum of the end-to-end delays for each trunk in the path. The valid
range for this field is zero (0) – 16777214 µsec.
The value you enter should reflect your network topology. If a
PVC typically traverses high speed trunks, set the delay rate
lower. You need to increase the delay if the PVC uses low-speed
trunks.
Disabled – (default) If you clear the Enable check box this field
will be disabled.
Note: For more information, see the next section “How PVC
Routing Thresholds Interact With LPort Routing Metrics” on
page 10-21.
Table 10-11. Add PVC: Administrative Tab Fields
(FR-ATM) (Continued)
Field Action/Description
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