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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 1/19/053-17
Connection ID:
LPort ID
Displays a valid ID for the logical port in a range from 1-24. The
LPort Type must not be MLFR Trunk Bundle.The default value is
one. There is no default for the 32-port T1/E1 card or for the 1-port
Channelized 3-1-0 card.
60-port Channelized T1/E1 CE module – for unstructured service
only one LPort can be configured per PPort since all time slots are
allocated to the LPort. (In unstructured mode, all DS0 buttons are
shown as being allocated.) The user need not enter an LPort ID,
which is taken to be 1.
For structured service, the user needs to enter a valid LPort ID. The
valid range is:
• T1 mode – If the module is configured in T1 mode, enter a
number between 1 and 24 for the 24 DS0 channels available per
physical port in T1 mode.
• E1 mode – If the module is configured in E1 mode, enter a
number between 1 and 31 for the 30 TS0 channels available per
physical port in E1 mode. (TS0 0 is not used.)
For structured service there is only one LPort per Nx64 (or DS0)
bundle. The timeslots are specified when configuring the LPort.
This field contains the Trunk ID bits for the following LPort types:
ATMoMPLS UNI – range 1-3, default of 3
ATMoMPLS NNI – range 1-5, default of 5
Redirect PVC Delay
Time (0-255)
Enter a value between 0-255 seconds. This value represents the
number of seconds to wait before the network initiates call clearing
after a circuit goes down. The default value is zero (0).
You configure this value only for the primary endpoint and you can
reset it at any time. A value of zero (0) causes the network to initiate
call clearing immediately, which can trigger the switch over
between a working redirect PVC endpoint and its primary or
secondary endpoint. Increasing the value can minimize the PVC
redirection as a result of temporary DTE state changes.
For more information about redirect PVCs, see Chapter 10,
“Configuring ATM PVCs.”.
Note: Modifying the value for this attribute does not admin down
the logical port.
Table 3-2. Add Logical Port: General Tab Fields (Continued)
Field Action/Description
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