Cisco UBR904 Troubleshooting Guide - Page 35

show controllers cable-modem mac 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. Troubleshooting Tips for the Cisco uBR904 Cable Modem 35