Intel 550T manual Consider these points when using Maintenance Mode, To enter Maintenance Mode

CH A P T E R 7 Console Port Use and Troubleshooting

BOOTP request and the name of the boot software to a specified boot server. This is useful if the boot server being used does not support the use of a bootptab file.

•It runs tests on hardware and provides diagnostic information.

Note Loading software to the switch in Maintenance Mode should only be done as a last resort. This is because the software and configuration already resident in the flash memory is overwritten and lost.

Important considerations	Consider these points when using Maintenance Mode:
	•	The switch is not operational and the expansion board ports can-
		not be used.
	•	Only simple command-line access is possible via the Console
		port.
	•	There is a delay before you see the command prompt; this is due
		to a hardware test routine being completed.
To enter Maintenance	To enter Maintenance Mode:
Mode	1 Using a pointed tool — such as a bent paper clip, press the
		Reset button on the front of the switch and hold it until the
		SYSTEM LED flashes green quickly (five times per second).
	2 Release the Reset button.
	3 Attach a VT100-compatible terminal to the serial port on the
		front panel using the cable supplied.
	4 To display the command prompt on screen, press the Enter key
		a couple of times.
Commands allowed in	The following command is available for the switch in Maintenance
Maintenance Mode	Mode:
		Command	Use
		TFTP <filename> ownIP tftpIP [gwIP]

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