Cisco UBR924 - uBR 924 Router Troubleshooting Tips page 18

Step 5—Use Additional Troubleshooting Commands
Event 11
As soon as the Cisco uBR924 has successfully completed the above events, it enters the operational
maintenance state and is authorized to forward traffic into the cable network.
508178.322 CMAC_LOG_STATE_CHANGE
Step 5—Use Additional Troubleshooting Commands
You can use other
aspects of a Cisco uBR924 cable access router. However, the most useful command is the show
controllers cable-modem 0 mac command.
To display additional controller information inside a Cisco uBR924, enter one or more of the
following commands in privileged EXEC mode:
Command
show controllers cable-modem
show controllers cable-modem bpkm
show controllers cable-modem des
show controllers cable-modem filters
show controllers cable-modem lookup-table
show controllers cable-modem mac
|
log
show controllers cable-modem phy
show controllers cable-modem tuner
show interface cable-modem
To debug different components of a Cisco uBR924, enter one or more of the following commands
in privileged EXEC mode:
Command
debug cable-modem bpkm
debug cable-modem bridge
debug cable-modem error
debug cable-modem interrupts
debug cable-modem mac
debug cable-modem map
18 Cisco IOS Release 12.0(5)T
Enter the Maintenance State
—
show controllers
| ]
resets state
{
errors
{ [
log verbose
and debug cable modem commands to troubleshoot different
Purpose
Displays high-level controller information.
Displays privacy state information.
Displays information about the Data Encryption
Standard (DES) engine registers.
Displays information about the MAC and SID filters.
Displays the Cisco uBR924's internal mini-slot lookup
table.
[ | |
errors hardware Displays detailed MAC-layer information.
Displays physical-layer information such as receive and
transmit physical registers.
Displays tuning information.
Displays information about the Cisco uBR924
interface.
| | }
events packets
] | }
messages
maintenance_state
Purpose
Debugs baseline privacy information.
Debugs the bridge filter.
Debugs cable interface errors.
Debugs Cisco uBR924 interface interrupts.
Displays and debugs the MAC-layer log entries in
real time.
Debugs map message processing information.