Enterasys Networks A2H123-24 Troubleshooting Checklist, Configuration Guide for proper setup

Troubleshooting Checklist

Troubleshooting Checklist

If the device is not working properly, refer to Table 4‐2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.

Table 4-2 Troubleshooting Checklist

Problem	Possible Cause	Recommended Action
All LEDs are OFF.	Loss of power.	Ensure that the SecureStack A2 was
		installed properly according to the
		installation instructions in Chapter 3.
		Ensure that the power cords are
		connected properly to an active power
		source that meets the AC input
		specifications for this switch.
		Ensure that the AC power cord is not
		damaged. Replace the power cord with a
		known good one.
All LEDs are OFF	Possible mismatch in code	Connect to the console port and type
	between the master and the	“show switch”. If a code mismatch is the
	device. If the switch does not	cause, the output of the above command
	have the same code as the	will show “code version mismatch”.
	stack master the switch will not	Disconnect the switch from the stack and
	join the stack and all LEDs will
		load the necessary code to match the
	remain off.
		stack master.
No local	Incorrect terminal setup.	Refer to the SecureStack A2
management		Configuration Guide for proper setup
startup screen.		procedures.
	Improper Console cable	Refer to Appendix A for proper Console
	pinouts.	port pinouts.
	Corrupt firmware image, or	If possible, attempt to download the image
	hardware fault.	to the device again. Refer to the
		SecureStack A2 Configuration Guide for
		details.
Cannot navigate	Improper Community Names	Refer to the SecureStack A2
beyond startup	Table.	Configuration Guide for the Community
screen.		Names Table setup.

4-6 Troubleshooting