Cisco UBR904 Troubleshooting Guide - Page 15

Step 5-Use Additional Troubleshooting Commands, Event, Enter the Maintenance State

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Step 5-Use Additional Troubleshooting Commands Event 11-Enter the Maintenance State As soon as the cable modem has successfully completed the above events, it enters the operational maintenance state. 508178.322 CMAC_LOG_STATE_CHANGE maintenance_state Step 5-Use Additional Troubleshooting Commands You can use other show controllers and debug cable modem commands to troubleshoot different aspects of a cable modem. However, the most useful command is the show controllers cable-modem 0 mac command. To display additional controller information inside a cable modem, enter one or more of the following commands in privileged EXEC mode: Command Purpose show controllers cable-modem Displays high-level controller information. show controllers cable-modem bpkm Displays privacy state information. show controllers cable-modem des Displays information about the Data Encryption Standard (DES) engine registers. show controllers cable-modem filters Displays information about the MAC and SID cable modem filters. show controllers cable-modem lookup-table Displays the cable modem's internal mini-slot lookup table. show controllers cable-modem mac [errors | hardware | Displays detailed MAC-layer information. log | resets | state] show controllers cable-modem phy Displays physical-layer information such as receive and transmit physical registers. show controllers cable-modem tuner Displays tuning information. show interface cable-modem Displays information about the cable modem interface. To debug different components of a cable modem, enter one or more of the following commands in privileged EXEC mode: Command debug cable-modem bpkm {errors | events | packets} debug cable-modem bridge debug cable-modem error debug cable-modem interrupts debug cable-modem mac {log [verbose] | messages} debug cable-modem map Purpose Debugs baseline privacy information. Debugs the bridge filter. Debugs cable interface errors. Debugs cable modem interface interrupts. Displays and debugs the MAC-layer log entries in real time. Debugs map message processing information. Troubleshooting Tips for the Cisco uBR904 Cable Modem 15

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Step 5—Use Additional Troubleshooting Commands
Troubleshooting Tips for the Cisco uBR904 Cable Modem
15
Event
11
—
Enter the Maintenance State
As soon as the cable modem has successfully completed the above events, it enters the operational
maintenance state.
508178.322 CMAC_LOG_STATE_CHANGE
maintenance_state
Step 5—Use Additional Troubleshooting Commands
You can use other show controllers and debug cable modem commands to troubleshoot different
aspects of a cable modem. However, the most useful command is the
show controllers
cable-modem 0 mac
command.
To display additional controller information inside a cable modem, enter one or more of the
following commands in privileged EXEC mode:
To debug different components of a cable modem, enter one or more of the following commands in
privileged EXEC mode:
Command
Purpose
show controllers cable-modem
Displays high-level controller information.
show controllers cable-modem bpkm
Displays privacy state information.
show controllers cable-modem des
Displays information about the Data Encryption
Standard (DES) engine registers.
show controllers cable-modem filters
Displays information about the MAC and SID cable
modem filters.
show controllers cable-modem lookup-table
Displays the cable modem’s internal mini-slot lookup
table.
show controllers cable-modem mac
[
errors
|
hardware
|
log
|
resets
|
state
]
Displays detailed MAC-layer information.
show controllers cable-modem phy
Displays physical-layer information such as receive and
transmit physical registers.
show controllers cable-modem tuner
Displays tuning information.
show interface cable-modem
Displays information about the cable modem interface.
Command
Purpose
debug cable-modem bpkm
{
errors
|
events
|
packets
}
Debugs baseline privacy information.
debug cable-modem bridge
Debugs the bridge filter.
debug cable-modem error
Debugs cable interface errors.
debug cable-modem interrupts
Debugs cable modem interface interrupts.
debug cable-modem mac
{
log
[
verbose
] |
messages
}
Displays and debugs the MAC-layer log entries in
real time.
debug cable-modem map
Debugs map message processing information.