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Troubleshooting the Serial SPAs
This chapter describes techniques that you can use to troubleshoot the operation of your serial SPAs.
It includes the following sections:
The first section provides information about basic interface troubleshooting. If you are having a problem
with your SPA, use the steps in the
General Troubleshooting Information, on page 323
to begin your
investigation of a possible interface configuration problem.
To perform more advanced troubleshooting, see the other sections in this chapter.
For more information about troubleshooting serial lines, see the Internetwork Troubleshooting Handbook
at
http://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1901.html
.
•
General Troubleshooting Information, page 323
•
Performing Basic Interface Troubleshooting, page 324
•
Using Bit Error Rate Tests, page 338
•
Using loopback Commands, page 341
•
Using the Cisco IOS Event Tracer to Troubleshoot Problems, page 343
•
Preparing for Online Insertion and Removal of a SPA, page 343
General Troubleshooting Information
This section describes general information for troubleshooting SIPs and SPAs. It includes the following
sections:
Interpreting Console Error Messages
To view the explanations and recommended actions for Cisco ASR 1000 Series Routers error messages,
including messages related to Cisco ASR 1000 Series Routers SIPs and SPAs, refer to the
document.
System error messages are organized in the documentation according to the particular system facility that
produces the messages. The SIP and SPA error messages for serial SPAs use the following facility names:
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17
323