Cisco Cisco IOS Software Release 12.2 릴리즈 노트
31
Release Notes for Cisco IOS Release 12.2
OL-1614-22
Platform-Specific Information
Troubleshooting uBR Cable Modems Not Coming Online
The tech note Troubleshooting uBR Cable Modems Not Coming Online is available on Cisco.com at the
following location:
following location:
http://www-tac.cisco.com/Teams/esupport/Cable/troubleshooting_cm_online_from_ac.html
This tech note discusses the different states that cable modems go through before coming online and
establishing IP connectivity. The tech note highlights the most commonly used Cisco IOS
troubleshooting commands to verify what state the CM is in and the reasons that can cause the modem
to arrive at that state. This is illustrated by debug and show commands at both the CMTS and the CM.
The tech note also discusses some of steps that can be taken to arrive at the correct status, online.
establishing IP connectivity. The tech note highlights the most commonly used Cisco IOS
troubleshooting commands to verify what state the CM is in and the reasons that can cause the modem
to arrive at that state. This is illustrated by debug and show commands at both the CMTS and the CM.
The tech note also discusses some of steps that can be taken to arrive at the correct status, online.