Enterasys Networks 5H103-48, 5H102-48 manual Local Management User’s Guide for the IP

Troubleshooting Checklist

Table 4-2 Troubleshooting Checklist (Continued)

Problem	Possible Cause	Recommended Action
Cannot contact	IP address not assigned.	Refer to the MATRIX E5 Series Modules
the module		Local Management User’s Guide for the IP
through in-band		address assignment procedure.
management.
	Port is disabled.	Enable port. Refer to the MATRIX E5 Series
		Modules 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.
standby for no		Refer to the MATRIX E5 Series Modules
apparent reason.		Local Management 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 MATRIX E5 Series Modules
Device and	changed sometime	Local Management User’s Guide for the
Module name,	before either cycling	instructions to configure the device
etc.) were lost	power or pressing the	through Local Management.
when the module	RESET button, causing	2. If the problem continues, contact Enterasys
power was cycled	the user-entered	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.

4-6Troubleshooting