Beta Draft Confidential
Configuring CBX or GX Logical Ports
Setting Logical Port Attributes
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/053-35
Table 3-5. Add Logical Port: ILMI/OAM Tab Fields
Field Action/Description
Enable Click the checkbox and place a check in it to reserve a percentage of
bandwidth in the VBR-NRT QoS class for ILMI. You can override the
bandwidth and QoS class default values by assigning traffic descriptors
for the ILMI channel.
When ILMI is Disabled (default), this bandwidth is not reserved. If the
attached device cannot run ILMI, leave ILMI disabled.
To receive ILMI VCC status traps from non-Lucent ATM UNI 3.1
devices, you must enable ILMI.
For information about ILMI support, see “Using ILMI” on page 2-5.
Note: If you are using line loopback diagnostics, you must disable ILMI
support. See the Switch Diagnostics User’s Guide for CBX 3500, CBX
500, GX 500, and B-STDX 9000 for more information.
VPI Id (0-15)
VCI Id
(0-1023)
Enter the ID of the virtual path (VPI) or virtual channel (VCI) you want to
use for ILMI polling.
The default values are:
• 0 for VPI
• 16 for VCI
• 0 for VPI (direct lports)
• VCC VPI Start for VPI (virtual lports)
These fields are read-only for virtual logical ports.
Loss
Threshold
(K)
Specify the number of times (K) the logical port will issue an ILMI poll
before the link is considered down. If no responses are seen in K x T
seconds, the link is considered down. The default is 4.
Note: Modifying the value of this attribute does not admin down the
logical port.
Polling
Period (sec)
Specify the polling period (T) for an ILMI poll. The switch generates an
ILMI poll every (T) seconds. The default is 5 seconds.
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