Enterasys Networks 7S4280-19-SYS, 2S4082-25-SYS manual Troubleshooting Checklist

Troubleshooting Checklist

Table 5-1 LANVIEW LEDs (continued)

LED	Color	State	Recommended Action
TX	None	Port enabled, but no activity.	If it is known that the port should be active
(Transmit)			and is not, contact Enterasys Networks for
			technical support.
	Green	Flashing. Indicates data	None.
		transmission activity. Rate of
		flashing indicates the data rate.
	Red	Flashing. Fault or Error	None, unless there is a high rate of activity.
		(collision).	In this case, check for network configuration
			problems or a defective device.

Troubleshooting Checklist

If the NAC Controller PEP is not working properly, refer to Table 5‐2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.

Table 5-2 Troubleshooting Checklist

Problem	Possible Cause	Recommended Action
All LEDs are OFF.	Loss of power.	Ensure that the module was installed properly
		according to the installation instructions in Chapter 4,
		and that the host chassis is providing power.
No Local	Incorrect terminal setup.	Refer to the Enterasys Matrix DFE-Diamond/Platinum
Management		Series Configuration Guide for proper setup
Password screen.		procedures.
	Improper console cable	Refer to “2S4082-25 COM Port Pinout Assignments”
	pinouts.	on page A-6 and “7S4280-19 COM Port Pinout
		Assignments” on page A-7 for proper NAC Controller
		PEP COM port pinouts.
	Corrupt firmware image, or	If possible, attempt to download the image to the
	hardware fault.	module again. Refer to “Setting the Mode Switches” on
		page B-1 for instructions to clear NVRAM.
Cannot navigate	Improper username/	If the username/password combination has been
beyond Password	password combination	forgotten, refer to “Setting the Mode Switches” on
screen.	entered.	page B-1 for instructions on how to set the mode
		switch to reset the username/password combination to
		the default values.

5-4 Troubleshooting