Configuring Trunks
The parameters that you can change without first deleting the trunk are:
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Restrict Control Card traffic ("PCC restrict")
Pass sync
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Loop clock
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Statistical reserve
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Bursty data peak speed
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Bursty data peak average frame
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Idle Code (reconfigurable for trunk and line)
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User traffic
Maximum PVC Channels
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Trunk Partitions SVC/PVC
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DS0 Map (IGX only, as of Release 9.2)
Cable type/length
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Virtual trunk type
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Link type
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HCS Masking
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Payload Scrambling
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Frame Scrambling
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Gateway Channels
Retained Links
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IMA link auto disabled
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IMA window size
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IMA max transition counts
IMA link reenable time
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Traffic classes
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Recv Impedance
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Gateway Efficiency
Cost of Trunk
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Deroute Delay Time
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Line T1 signalling (Line reconfiguration allowed)
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Line caching (Line reconfiguration allowed)
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Line CAS Switching (Line)
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Line Cnf slot.line (Line)
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Line Cnfg (Line)
Line pct fast modem (Line)
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Trunk Receive Rate—On IGX, configurable after a trunk has been added.
Trunk Transmit Rate—On BPX platforms, configurable after a trunk has been added.
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Before making changes to any other trunk parameters, you must first delete the trunk (deltrk).
Cisco BPX 8600 Series Installation and Configuration
18-4
Chapter 18
Configuring Trunks and Adding Interface Shelves
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001