Contents
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Cisco uBR10012 Universal Broadband Router Software Configuration Guide
OL-1520-06
Configuring Maximum Hosts Attached to a CM 4-9
Configuring Per-Modem Filters 4-9
Configuring Sync Message Interval 4-10
CHAPTER
5Configuring Basic Broadband Internet Access 5-1
Overview of Basic Broadband Internet Access 5-1
Recommended Basic Configuration for High-Speed Internet Access 5-2
Basic Internet Access Sample Configuration File 5-3
CHAPTER
6Troubleshooting the System 6-1
Understanding show Command Responses 6-2
Using a Headend CM to Verify Downstream Signals 6-12
Performing Amplitude Averaging 6-12
Enabling or Disabling Power Adjustment 6-13
Setting Downstream Test Signals 6-15
Configuring Unmodulated Test Signals 6-15
Configuring PRBS Test Signals 6-15
Verifying Test Signal Output 6-15
Pinging Unresponsive CMs 6-16
Pinging a CM 6-16
Verifying the Ping 6-16
Using Cable Interface debug Commands 6-17
debug cable arp 6-17
debug cable error (for MAC Protocol Errors) 6-17
debug cable keyman (for Baseline Privacy Activity) 6-17
debug cable mac-messages 6-17
debug cable map 6-18
debug cable phy 6-18
debug cable privacy (for Baseline Privacy) 6-18
debug cable qos 6-18
debug cable range (for Ranging Messages) 6-18
debug cable receive (for Upstream Messages) 6-19
debug cable reg (for Modem Registration Requests) 6-19
debug cable reset (for Reset Messages) 6-19
debug cable specmgmt (for Spectrum Management) 6-19
debug cable startalloc (for Channel Allocations) 6-20
debug cable transmit (for CMTS Transmissions) 6-20
debug cable ucc (for Upstream Channel Change Messages) 6-20
debug cable ucd (for Upstream Channel Description Messages) 6-20