Table of Contents
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E
Using the Monitor
Utility
T
ROUBLESHOOTING
This appendix contains the following sections:
Using the Monitor Utility
Normal LED Meanings
Error LED Meanings
Performing Loopback Tests on the Flex-WAN Serial and Ultra-WAN
CSU/DSU Interfaces
Response to Loopback Assertions from Link Partner on Flex-WAN
Serial and Ultra-WAN CSU/DSU Interfaces
Performing T3/E3 Loopback Tests
Performing a Memory Dump
If your PathBuilder switch is unable to boot from the software, you can
attach a console to the console port and access the firmware monitor
utility.
If your operating system does not supply a TFTP or BootP server, you can
use 3Com's. These servers are supplied with the Upgrade Management
Utilities. See Upgrading Enterprise OS Software for information about
installing and using these server applications.
To access the monitor utility from the software, enter:
MONitor
CAUTION: The monitor utility stops the normal routing/switching
operation of the PathBuilder switch, and you must reset the PathBuilder
switch to exit the firmware.
The following commands are available from the monitor utility:
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Table of Contents
Troubleshooting
