Debug Span - Cisco MDS 9000 series Command Reference Manual

debug span

S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
debug span
To enable SPAN debugging, use the debug span command in EXEC mode. To disable a debug
command, use the no form of the command or use the no debug all command to turn off all debugging.
Syntax Description
all
buffer-size bytes
error
event
ha
lib
trace
warning
Defaults Disabled.
Command Modes
EXEC mode.
Command History Release
1.0(2)
Usage Guidelines None.
Examples The following example displays the system output when the debug span all command is issued:
switch# debug span all
Apr 29 16:06:44 span: span_demux: msg consumed by sdwrap_process msg
Apr 29 16:06:44 span: fu_fsm_execute_all: match_msg_id(0), log_already_open(0)
Apr 29 16:06:44 span: fu_fsm_execute_all: null fsm_event_list
Apr 29 16:06:44 span: fu_fsm_engine: mts msg MTS_OPC_DEBUG_WRAP_MSG(msg_id 2548887)
dropped
Apr 29 16:06:48 span: fu_priority_select:
Apr 29 16:06:48 span: fu_priority_select_select_queue: round credit(12)
Apr 29 16:06:48 span:
credit(6), empty
Apr 29 16:06:48 span: fu_priority_select: returning FU_PSEL_Q_CAT_MTS queue, fd(3),
usr_q_info(2)
Apr 29 16:06:48 span: span_get_data_from_mts_q dequeued mts msg (26e525),
MTS_OPC_DEBUG_WRAP_MSG
Cisco MDS 9000 Family Command Reference
6-114
debug span {all | buffer-size bytes | error | event | trace | warning}
no debug span {all | error | event | trace | warning}
Enables debugging for all SPAN features.
Configures event logs buffer size for SPAN. The range is 4096 to 131072.
Enables debugging for SPAN errors.
Enables debugging for SPAN events.
Enables debugging for SPAN HA.
Enables debugging for SPAN library.
Enables debugging for SPAN traces.
Enables debugging for SPAN warning messages.
Modification
This command was introduced.
- setting fd[3] for select call
curr_q - FU_PSEL_Q_CAT_CQ, usr_q_info(4), priority(7),
Chapter 6 Debug Commands
OL-8413-07, Cisco MDS SAN-OS Release 3.x