Enterasys Networks 6H302-48 manual 6Troubleshooting

Troubleshooting Checklist

Table 4-2 Troubleshooting Checklist (Continued)

Problem	Possible Cause	Recommended Action
Cannot contact	IP address not assigned.	Refer to the appropriate Local Management
the module		User’s Guide for the IP address assignment
through in-band		procedure.
management.
	Port is disabled.	Enable port. Refer to the appropriate Local
		Management User’s Guide for instructions to
		enable/disable ports.
	No link to device.	1. Verify that all network connections
		between the network management station
		and the module are valid and operating.
		2. If the problem continues, contact
		Enterasys Networks for technical support.
Port(s) goes into	Loop condition detected.	1. Verify that Spanning Tree is enabled. Refer
standby for no		to the appropriate Local Management
apparent reason.		User’s Guide for the instructions to set the
		type of STA.
		2. Review the network design and delete
		unnecessary loops.
		3. If the problem continues, contact
		Enterasys Networks for technical support.
User parameters	1. Position of Mode switch	1. Reenter the lost parameters as necessary.
(IP address,	(7), NVRAM Reset, was	Refer to the appropriate Local
Device and	changed sometime	Management User’s Guide for the
Module name,	before either cycling	instructions to configure the device through
etc.) were lost	power or pressing the	Local Management.
when the module	RESET button, causing	2. If the problem continues, contact
power was cycled	the user-entered	Enterasys Networks for technical support.
or the front panel	parameters to reset to
RESET button	factory default settings.
was pressed.	2. Clear NVRAM was set
	through Local
	Management.

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