Troubleshooting guide

7-19
Cisco Broadband Local Integrated Services Solution Troubleshooting Guide
OL-5169-01
Chapter 7 Troubleshooting the CMTS
Troubleshooting the Cisco uBR7246VXR
Registered: FALSE
Privacy Established: FALSE
When you see init(o) in the show cable modem output, running the debug cable-modem mac log
verbose will not tell you if it is a corrupt configuration file or a TFTP server failure that is the cause.
The debug point to both of them.
An example of invalid Configuration Parameters in the DOCSIS CPE Configurator is invalid or missing
Vendor ID or Vendor Specific Information. The result is similar to the following output display:
w3d: 880748.992 CMAC_LOG_STATE_CHANGE dhcp_state
1w3d: 880751.652 CMAC_LOG_RNG_REQ_TRANSMITTED
1w3d: 880751.656 CMAC_LOG_RNG_RSP_MSG_RCVD
1w3d: 880761.876 CMAC_LOG_DHCP_ASSIGNED_IP_ADDRESS 10.1.1.20
1w3d: 880761.876 CMAC_LOG_DHCP_TFTP_SERVER_ADDRESS 172.17.110.136
1w3d: 880761.876 CMAC_LOG_DHCP_TOD_SERVER_ADDRESS 172.17.110.136
1w3d: 880761.876 CMAC_LOG_DHCP_SET_GATEWAY_ADDRESS
1w3d: 880761.876 CMAC_LOG_DHCP_TZ_OFFSET 0
NOTE—Corrupt configuration file:
1w3d: 880761.880 CMAC_LOG_DHCP_CONFIG_FILE_NAME data.cm
1w3d: 880761.880 CMAC_LOG_DHCP_ERROR_ACQUIRING_SEC_SVR_ADDR
1w3d: 880761.880 CMAC_LOG_DHCP_ERROR_ACQUIRING_LOG_ADDRESS
1w3d: 880761.880 CMAC_LOG_DHCP_COMPLETE
1w3d: 880761.892 CMAC_LOG_STATE_CHANGE establish_tod_state
1w3d: 880761.896 CMAC_LOG_TOD_REQUEST_SENT 172.17.110.136
1w3d: 880761.904 CMAC_LOG_TOD_REPLY_RECEIVED 3180091733
1w3d: 880761.908 CMAC_LOG_TOD_COMPLETE
1w3d: 880761.908 CMAC_LOG_STATE_CHANGE security_association_state
1w3d: 880761.908 CMAC_LOG_SECURITY_BYPASSED
1w3d: 880761.912 CMAC_LOG_STATE_CHANGE configuration_file_state
1w3d: 880761.912 CMAC_LOG_LOADING_CONFIG_FILE data.cm
1w3d: 880762.652 CMAC_LOG_RNG_REQ_TRANSMITTED
1w3d: 880762.652 CMAC_LOG_RNG_RSP_MSG_RCVD
133.CABLEMODEM.CISCO: 00:13:07: %LINEPROTO-5-UPDOWN: Line protocol on Interface
cable-modem0, changed state to up
00:13:08: 788.004 CMAC_LOG_CONFIG_FILE_CISCO_BAD_TYPE 155
00:13:08: 788.004 CMAC_LOG_CONFIG_FILE_CISCO_BAD_TYPE 115
00:13:08: 788.004 CMAC_LOG_CONFIG_FILE_CISCO_BAD_TYPE 116
00:13:08: 788.004 CMAC_LOG_CONFIG_FILE_CISCO_BAD_ATTR_MAX_LENG128
00:13:08: 788.008 CMAC_LOG_CONFIG_FILE_PROCESS_COMPLETE
00:13:08: 788.008 CMAC_LOG_RESET_CONFIG_FILE_READ_FAILED
Online, Online(d), Online(pk), Online(pt) state
The following states indicate that the cable modem has achieved online status and is able to transmit and
receive data:
• online
• online(pk)
• online(pt)
Online(d), however indicates that the cable modem has come online but has been denied network access.
#show cable modem
Interface Prim
Sid
Online
State
Timing
Offset
Rec
Power QoS CPE IP address MAC address
Cable2/0/U0 4 online 2810 -0.75 6 0 10.1.1.20 0030.96f9.65d9