Troubleshooting Sonet Automatic Protection System - Cisco BPX 8620 Installation And Configuration Manual

Chapter 28 Troubleshooting
Sending 5, 100-byte ICMP Echos to 192.9.202.1, timeout is 2 seconds:
. . . . .
Success rate is 100 percent

Troubleshooting SONET Automatic Protection System

For APS line redundancy, the following problems can occur:
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Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
APS Configuration Problems, page 28-10
Not Able to Correctly Set Up APS 1+1 Line Redundancy Configuration, page 28-10
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Unable to Set Up APS 1:1 Line Redundancy Configuration, page 28-10
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Operator Information about APS Architectures, page 28-11
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Operational Problems, page 28-11
– What the Various APS Switches Mean
Unable to Perform APS External Switch After Forced or Manual APS Switch, page 28-12
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APS Manual Switch to a Line Does Not Occur Right Away, page 28-12
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Switch Occurs After Lockout Issued, page 28-12
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APS Switch Made to a Line in Alarm, page 28-13
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Reverse Switch, page 28-13
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APS Switch Occurs at the Same Time as a Y-Red Switch, page 28-13
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– APS Switch Occurs After Issuing an APS Clear Switch, page 28-14
APS Switch Occurs Even Though APS Forced Switch in Effect, page 28-14
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– APS Line is Failing to Switch, page 28-14
Large Cell Loss When Performing a Front Card Switchover, page 28-14
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APS Service Switch Description, page 28-14
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APS Line Does Not Seem to Switch and Active Line is in Alarm, page 28-15
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BXM Back Card LED Green and Yellow Indications, page 28-16
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BXM Port LED States, page 28-16
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APS Alarms
What Do APS Alarms Represent
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Troubleshooting SONET Automatic Protection System
Cisco BPX 8600 Series Installation and Configuration
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