Juniper Networks G10 CMTS manual Features for Troubleshooting

Chapter 8

Troubleshooting

This chapter identifies common issues associated with the operation and configuration of the G10 CMTS, the HFC plant, and cable modem provisioning. Recommendations for troubleshooting and resolving these issues using the flap list are also provided. For purposes of discussion, HFC plant refers to all cabling and equipment on the RF side of the network, other than the CMTS, regardless of its physical location.

We recommend that you review the G10 CMTS software and hardware release notes for details regarding the latest features, changes, and known and resolved issues. This might assist you with troubleshooting some of the issues you encounter with the operation of your system.

This chapter discusses the following topics:

!Features for Troubleshooting on page 141

!CMTS Power and Booting Issues on page 148

!Ideal HFC Plant Configuration Issues on page 150

!HFC Plant Related Issues on page 156

Features for Troubleshooting

The G10 CMTS provides powerful features that aid you with troubleshooting CMTS, cable modem, and HFC plant related issues, including the flap list, the local event log, and various CLI commands that display relevant statistics.

This section discusses the following topics:

!Flap List on page 142

!Local Event Log on page 145

!Operational Commands on page 146

!ServiceGuard Management System on page 147

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Troubleshooting 141