Cabletron Systems EMM-E6 Ethernet manual Troubleshooting Checklist

TROUBLESHOOTING CHECKLIST

Table 14-2. Troubleshooting Checklist

Problem	Possible Causes	Recommended
		Action
No LEDs on.	Loss of Power to the	Check the proper installation of the
	MMAC.	MMAC power supply module and
		its access to a live outlet.
	EMM-E6 not properly
	installed.	Check that the MMAC has
		adequate power. Some
		configurations, especially those
		including FDDI modules, require
		that more than one power supply be
		installed in the MMAC.
		Check to see that the power supply
		LEDs are green.
		Reset EMM-E6 by removing it from
		chassis and reinserting according
		to directions in Chapter 3. Ensure
		that all fasteners are tightened.
No Local	Terminal setup is not	Refer to Chapter 4 for proper setup
Management	correct.	procedures.
Password
screen.	Improper console	Refer to Appendix A for proper
	cable/UPS cable	console/ UPS port pinouts.
	pinouts.
Cannot	Improper Community	Refer to Chapter 6 for Community
contact the	Names Table.	Names Table setup and Chapter 7
EMM-E6		for IP address assignment
from in-band	EMM-E6 does not	procedures.
management.	have an IP address.
		Check link to device.
	No link to device.
		Check Static Database.
	Packets are being
	bridged by a
	permanent entry.

EMM-E6 User’s Guide 14-5