Nortel Networks 40M2420 manual Maint/debug, Debugging Options

Alteon OS Command Reference

/maint/debug

Debugging Options

[Miscellaneous Debug			Menu]
tbuf	- Show		MP	trace buffer
snap	-	Show	MP	snap (or post-mortem) trace buffer
clrcfg	-	Clear all flash configs

The Miscellaneous Debug Menu displays trace buffer information about events that can be helpful in understanding switch operation. You can view the following information using the debug menu:

„Events traced by the Management Processor (MP)

„Events traced to a buffer area when a reset occurs

If the switch resets for any reason, the MP trace buffer is saved into the snap trace buffer area. The output from these commands can be interpreted by IBM Service Support.

Table 9-4Miscellaneous Debug Menu Options (/maint/debug)

Command Syntax and Usage

tbuf

Displays the Management Processor trace buffer. Header information similar to the following is shown:

MP trace buffer at 13:28:15 Fri May 25, 2001; mask: 0x2ffdf748

The buffer information is displayed after the header.

snap

Displays the Management Processor snap (or post-mortem) trace buffer. This buffer contains infor- mation traced at the time that a reset occurred.

clrcfg

Deletes all flash configuration blocks.

344 „ Chapter 9: The Maintenance Menu 40M2420, April 2007