show controllers cable-modem mac
Troubleshooting Tips for the Cisco uBR904 Cable Modem 35
Table 6
Possible but Uncommon Cable Interface Reset Causes
Message
Description
CMAC_LOG_RESET_CONFIG_FILE_PARSE_FAILED
The format of the DOCSIS configuration file acquired
from the TFTP server is not acceptable.
CMAC_LOG_RESET_LOSS_OF_SYNC
Synchronization with the CMTS has been lost (SYNC
messages are not being received).
CMAC_LOG_RESET_T4_EXPIRED
Maintenance ranging opportunities for this cable modem
are not being received from the CMTS.
CMAC_LOG_RESET_DHCP_WATCHDOG_EXPIRED
The DHCP server took too long to respond.
CMAC_LOG_RESET_TOD_WATCHDOG_EXPIRED
The Time Of Day server took too long to respond.
CMAC_LOG_RESET_PRIVACY_WATCHDOG_EXPIRED
The baseline privacy exchange with the CMTS took too
long.
CMAC_LOG_RESET_CHANGE_US_WATCHDOG_EXPIRED
The cable modem was unable to transmit a response to a
UCC-REQ message.
CMAC_LOG_RESET_SECURITY_WATCHDOG_EXPIRED
The “full security” exchange with the CMTS took too
long.
CMAC_LOG_RESET_CONFIG_FILE_WATCHDOG_EXPIRED
The TFTP server took too long to respond.
CMAC_LOG_RESET_ALL_FREQUENCIES_SEARCHED
All downstream frequencies to be searched have been
searched.
This message indicates that downstream frequencies were
found and the cable modem failed.
CMAC_LOG_RESET_T2_EXPIRED
Initial ranging opportunities are not being received.
CMAC_LOG_RESET_T3_RETRIES_EXHAUSTED
The CMTS failed too many times to respond to a
RNG-REQ message.
CMAC_LOG_RESET_RANGING_ABORTED
The CMTS commanded the cable modem to abort the
ranging process.
CMAC_LOG_RESET_NO_MEMORY
The cable modem has run out of memory.
CMAC_LOG_RESET_CANT_START_PROCESS
The cable modem was unable to start an internal process
necessary to complete ranging and registration.
CMAC_LOG_RESET_CONFIG_FILE_READ_FAILED
The reading of the configuration file from the TFTP
server failed. The file might not exist, or it might have
incorrect permissions.
CMAC_LOG_RESET_AUTHENTICATION_FAILURE
The cable modem failed authentication as indicated in a
REG-RSP message from the CMTS.
CMAC_LOG_RESET_SERVICE_NOT_AVAILABLE
The CMTS has failed the cable modem’s registration
because a required or requested class of service is not
available.
CMAC_LOG_RESET_T6_RETRIES_EXHAUSTED
The CMTS failed too many times to respond to a
REG-REQ message.
CMAC_LOG_RESET_MAINTENANCE_WATCHDOG_DRIVER
The cable modem MAC layer failed to detect a change in
the interface driver.
CMAC_LOG_RESET_NET_ACCESS_MISSING
The Network Access parameter was missing from the
DOCSIS configuration file.
CMAC_LOG_RESET_FAILED_WRITE_ACCESS_CONTROL
The cable modem was unable to set the Write Access
Control for an SNMP parameter, as specified by the
DOCSIS configuration file.
