Cisco Systems UBR924 manual Interpret the MAC Log File and Take Action, Cmaclogregistrationok

Step 4—Interpret the MAC Log File and Take Action

508178.318	CMAC_LOG_RNG_REQ_QUEUED	19
508178.320	CMAC_LOG_REGISTRATION_OK
508178.322	CMAC_LOG_REG_RSP_ACK_MSG_QUEUED	0
508178.324	CMAC_LOG_STATE_CHANGE	establish_privacy_state
508178.326	CMAC_LOG_NO_PRIVACY
508178.328	CMAC_LOG_STATE_CHANGE	maintenance_state

You can display other aspects of the MAC layer by using variations of the show controllers

cable-modem 0 mac command:

uBR924# show controllers cable-modem 0 mac ?

errors	Mac Error		Log data
hardware	All	CM Mac Hardware registers
log	Mac	log data
resets	Resets of		the MAC
state	Current MAC state

For examples and descriptions of how to use these keywords, see the show controllers cable-modem mac command reference page.

Step 4—Interpret the MAC Log File and Take Action

The MAC log file gives a detailed history of initialization events that occurred in the Cisco uBR924. All pertinent troubleshooting information is stored here.

The following sample log file is broken down into the chronological sequence of events listed below. Sample comments are also included in the log file.

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Event 1—Wait for the Link to Come Up

Event 2—Scan for a Downstream Channel, then Synchronize

Event 3—Obtain Upstream Parameters

Event 4—Start Ranging for Power Adjustments

Event 5—Establish IP Connectivity

Event 6—Establish the Time of Day

Event 7—Establish Security

Event 8—Transfer Operational Parameters

Event 9—Perform Registration

Event 10—Comply with Baseline Privacy

Event 11—Enter the Maintenance State

Troubleshooting Tips for the Cisco uBR924 Cable Access Router 13