Troubleshooting Phase 3 Problems
To troubleshoot Phase 3 problems, an 3Com service engineer needs the information
listed in this section. In order to record trace information, follow these steps:
1. Use a TFTP file server in IP over ATM or LAN emulation mode.
2. Reproduce the problem and activate the trace by entering set trace main_trace
on or set trace trs_trace on, as requested by the 3Com service engineer.
3. Stop the trace by entering the SET TRACE command and specifying off.
For more information on the SET TRACE command, see the
ONcore Switching
Hub/CELLplex 4000 ATM Command Reference Guide
.
Types and slot numbers of all modules installed in the hub, displayed by the SHOW
MODULE ALL VERBOSE command.
ONcore hub information configured using Distributed Management Module (DMM)
commands and displayed by entering the SHOW DEVICE, SHOW HUB, SHOW
MODULE ALL, and SHOW MODULE VERBOSE commands.
ONcore hub information configured using 6416SW commands and displayed by
entering the SHOW DEVICE, SHOW HUB (if DMM module not installed), SHOW
MODULE ALL, SHOW MODULE VERBOSE, and SHOW PORT ALL commands.
Type and characteristics of each ATM device attached to the hub.
ON/OFF condition and color of the LEDs on each module installed in the hub.
Last 6416SW commands entered from the local console.
Error log information uploaded to the host by entering the UPLOAD command.
Trace information uploaded to the host by entering the UPLOAD command.
Q.2931 error code for the clear cause in the SVC.
For more information on the UPLOAD command, see the
ONcore Switching
Hub/CELLplex 4000 ATM Command Reference Guide
.
7-52 ONcore ATM Switch/Control Module: Installation and User's Guide
