Troubleshooting Checklist - Cabletron Systems DLE52-MA User Manual

Chapter 4 Troubleshooting
4.2

TROUBLESHOOTING CHECKLIST

If the DLE02-MA and the DLE52-MA are not working properly, refer to
Table 4-3 for a checklist of possible problems, causes, and recommended
actions to resolve the problem.
Symptom
All LEDs off.
Module stays in
BOOT state.
Cannot access
Local Management.
Cannot contact
device through
in-band
management.
User parameters
(IP address,
community names,
etc.) lost on reset or
power-up.
Device is not
forwarding traffic
from any port.
4-6
Table 4-3 Fault Identification
Possible Causes
1. Installation error - Remove the DLE02-MA and the
DLE52-MA and perform installation in accordance
with installation instructions. Check connectors for
dust or dirt and clean as necessary.
2. Power system fault - refer to Table 4-4.
1. Device does not have an operable firmware image,
and is sending out BootP requests in an effort to
locate a BootP server on the network. Press the
RESET button on the front panel to attempt to use
the firmware image in FLASH memory.
2. If the problem continues after pressing the RESET
button, refer to Section B.1 for instructions on
forcing a BootP image download.
3. Contact your DIGITAL representative if the problem
continues.
1. Firmware image fault - refer to Table 4-5
2. Management system fault - refer to Table 4-6.
1. Management system fault - refer to Table 4-6.
2. No link to device - verify all network connections
between network management station and the
DLE02-MA and the DLE52-MA are valid and
operating.
Device setup fault - refer to Table 4-7.
Device setup fault - refer to Table 4-7.
DLE02-MA/DLE52-MA User's Guide