Kontron AT8402 CLI - Manual (Page 183)

AT8402 Utility Commands
Page 4 - 43 AT8402 CLI Reference Manual
4.10 Serviceability Packet Tracing Commands
These commands improve the capability of network engineers to diagnose conditions
affecting their FASTPATH product.
CAUTION: The output of “debug” commands can be long and may adversely
affect system performance.
4.10.1 debug console
This command enables the display of “debug” trace output on the login session in
which it is executed. Debug console display must be enabled in order to view any trace
output. The output of debug trace commands will appear on all login sessions for
which debug console has been enabled. The configuration of this command remains in
effect for the life of the login session. The effect of this command is not persistent
across resets.
Default disabled
Format
debug console
Mode Privileged EXEC
4.10.1.1 no debug console
This command disables the display of “debug” trace output on the login session in
which it is executed.
Format no debug console
Mode Privileged EXEC
4.10.2 debug clear
This command disables all previously enabled “debug” traces.
Default none
Format
debug clear
Mode Privileged EXEC
4.10.3 debug spanning-tree bpdu transmit
This command enables tracing of spanning tree BPDUs transmitted by the switch.
Spanning tree should be enabled on the device and on the interface in order to monitor
packets on a particular interface.
Default disabled
Format
debug spanning-tree bpdu transmit
Mode Privileged EXEC
A sample output of the trace message is shown below.
<15> JAN 01 01:02:04 192.168.17.29-1 DOT1S[191096896]:
dot1s_debug.c(1249) 101 % Pkt TX - Intf: 1/0/7(7), Source_Mac:
00:11:88:4e:c2:00 Version: 3, Root_Mac: 00:11:88:4e:c2:00,
Root_Priority: 0x8000 Path_Cost: 0
The following parameters are displayed in the trace message: