NEC IP8800/S6700, IP8800/S6600, IP8800/S3600, IP8800/S2400 manual Active BSU Switchover Is Disabled

3. Troubleshooting Functional Failures in Operation

3.20Problems on Redundant Configuration of Basic Switching Unit (BSU) [IP8800/S6700]

3.20.1Active BSU Switchover Is Disabled

If BSU cannot be switched in the redundant configuration, follow the instruction shown below.

1.Checking log

For the log, see the manual "Message Log Reference."

2.Isolating the problem according to the BSU operation status

Check the BSU operation status by using the show system command, and isolate the problem according to the table below.

Table 3-68: Failure Analysis Method When BSU Switchover Disabled

No.	BSU Operation	Problem	Action
	Status
1	active (not standby	The number of BSU boards set in	Use configuration command redundancy
	hot, standby cold,	configuration command redundancy	max-bsuto set the number of BSU boards to be
	standby cold2)	max-bsudoes not match the number of	operated as the active BSU.
		BSU boards which are to be operated as the
		active BSU.
		BSU boards to be standby BSU are not	Install the BSU boards.
		installed.
2	fault	Unavailable configuration has been set.	Use configuration command fldm prefer to set
			flow distribution pattern of the filter and QoS function
			correctly.
			Use configuration command fwdm prefer to
			correctly set the distribution pattern of the maximum
			number of entries per device.
		The BSU is faulty.	According to the log of the BSU displayed by the show
			logging command, see the corresponding part in
			manual "Message Log Reference" and follow [Action]
			described.
3	inactive	The inactivate bsu command is set.	Use the activate bsu command to make the BSU
			active, standby hot, standby cold status, or standby cold
			status2.
		The setting by Configuration command	Delete the setting by Configuration command
		redundancy bsu-load-balancing	redundancy bsu-load-balancing smac or
		smac or redundancy bsu-mode	redundancy bsu-mode fixed and restart the
		fixed exists.	system. For more details, see the manual
			"Configuration Settings."
		The BSU is not fully inserted.	Install the BSU board correctly.
		Different types of BSUs are installed	Unify the type of all BSU boards.
		together.
		BSU not supported by the software version	Check the BSU board type and software version.
		is installed.	Replace the BSU board or update the software.
		BSU not supported by this device is	Replace the BSU board.
		installed.

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