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xviii
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.10, Part Number 78-11603-01 Rev. D0, July 2001
Operational Problems 28-12
Initial Investigation of APS Switch Operations 28-12
Unable to Perform APS External Switch After Forced or Manual APS Switch 28-13
APS Manual Switch to a Line Does Not Occur Right Away 28-13
Switch Occurs After Lockout Issued 28-13
APS Switch Made to a Line in Alarm 28-14
Reverse Switch 28-14
APS Switch Occurs at the Same Time as a Y-Red Switch 28-14
APS Switch Occurs After Issuing an APS Clear Switch 28-15
APS Switch Occurs Even Though APS Forced Switch in Effect 28-15
APS Line is Failing to Switch 28-15
Large Cell Loss When Performing a Front Card Switchover 28-15
APS Service Switch Description 28-15
APS Line Does Not Seem to Switch and Active Line is in Alarm 28-16
BXM Back Card LED Green and Yellow Indications 28-17
BXM Port LED States 28-17
BME Connection Diagnostics 28-17
Troubleshooting VSI Problems 28-17
How Channels Are Allocated and Deallocated 28-17
How Networking Channels Are Allocated 28-18
How Automatic Routing Management Channels Are Allocated/Configured 28-18
How SVC Channels are Allocated and Configured 28-18
How VSI Channels Are Assigned for VSI Master to Slave VCs 28-18
How VSI Channels Are Configured/Allocated 28-18
How Background Redundancy Channels Are Allocated 28-19
How IP Channels Are Allocated 28-19
How ILMI/LMI Channels Are Allocated 28-19
How ILMI Channels Are Allocated for VSI Partitions on Trunk Interfaces 28-19
How VSI Channels Are Assigned for Interslave VCs 28-19
mc_vsi_end_lcn 28-19
num chans 28-20
How Port Group Enters the Channel Assignment Picture 28-20
cnfrsrc Fails with “Available Channels is 0” 28-20
cnfrsrc Fails with “Automatic Routing Management is Currently Using the Channel
Space”
28-21
Troubleshooting Commands 28-21