Specifications

Contents
xvii
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Displaying the Status of Cards in the Node 29-4
System Troubleshooting Tools 29-5
User-initiated Tests 29-5
Loopback Tests 29-6
Connection Testing 29-7
External Device Window 29-8
Troubleshooting SONET Automatic Protection System 29-9
Introduction 29-9
APS Configuration Problems 29-9
Not Able to Correctly Set Up APS 1+1 Line Redundancy Configuration 29-9
Unable to set up APS 1:1 line redundancy configuration 29-10
Operator information about APS architectures 29-10
Operational Problems 29-11
Initial Investigation of APS Switch Operations 29-11
Unable to perform APS external switch after forced or manual APS switch 29-12
APS manual switch to a line does not occur right away 29-12
Switch occurs after lockout issued 29-12
APS switch made to a line in alarm 29-13
Reverse switch 29-13
APS switch occurs at the same time as a yred switch 29-13
APS switch occurs after issuing an APS clear switch 29-13
APS Switch Occurs even though APS Forced switch in effect 29-14
APS line is failing to switch 29-14
Large cell loss when performing a front card switchover 29-14
APS service switch description 29-14
APS line does not seem to switch and active line is in alarm 29-15
BXM backcard LED green and yellow indications 29-15
BXM Port LED states 29-16
BME Connection Diagnostics 29-16
Troubleshooting VSI Problems 29-16
How Channels are Allocated and Deallocated 29-16
How Networking Channels are Allocated 29-16
How Automatic Routing Management Channels are Allocated/Configured 29-16
How SVC Channels are Allocated and Configured 29-17
How VSI Channels are Assigned for VSI Master to Slave VCs 29-17