show controllers cable-modem mac
42 Cisco IOS Release 12.0(5)T
The following example indicates that an event in the cable interface driver caused the interface to reset. This often occurs because a shut or clear command is currently being issued on the interface.
uBR924# show controllers cable-modem 0 mac resets
527986.444 CMAC_LOG_RESET_FROM_DRIVER
528302.042 CMAC_LOG_RESET_FROM_DRIVER
528346.600 CMAC_LOG_RESET_FROM_DRIVER
528444.494 CMAC_LOG_RESET_FROM_DRIVER
Table6 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
CiscouBR924 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 Cisco uBR924 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.
Note This message indicates that downstream
frequencies were found, but the Cisco uBR924 failed to
acquire a downstream lock.
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.
Note After 16 T3 timeouts, the Cisco uBR924 will reset
the cable interface.
CMAC_LOG_RESET_RANGING_ABORTED The CMTS commanded the Cisco uBR924 to abort the
ranging process.
CMAC_LOG_RESET_NO_MEMORY The Cisco uBR924 has run out of memory.
CMAC_LOG_RESET_CANT_START_PROCESS The Cisco uBR924 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.
Note The file might not exist, or it might have incorrect
permissions.
CMAC_LOG_RESET_AUTHENTICATION_FAILURE The Cisco uBR924 failed authentication as indicated in a
REG-RSP message from the CMTS.