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Troubleshooting
141
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.
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
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.