HP Comware 5 Debug Manual Vol 3

# Enable RPR general event debugging. The output in this example was created when two stations form
a closed RPR ring. When you remove the optical fiber connected to the west physical port, output similar
to the following example is generated:
<Sysname> debugging rpr event general int rpr 1
*Jun 5 11:38:40:211 2007 Sysname RPR/7/EVT_SPAN:Slot=3;
RPR_Event: On RPR1, at west span, Protection status is changed!
// On interface RPR1, the protection state on the west span changed.
debugging rpr fsm
Use debugging rpr fsm to enable RPR state machine debugging.
Use undo debugging rpr fsm to disable RPR state machine debugging.
Syntax
debugging rpr fsm [ interface interface-type interface-number ]
undo debugging rpr fsm [ interface interface-type interface-number ]
Default
RPR state machine debugging is disabled.
Views
User view
Default command level
2: System level
Parameters
interface interface-type interface-number: Specifies a port by its type and number.
Usage guidelines
Table 3 describes output fields and messages for the debugging rpr fsm command.
Table 177 Output from the debugging rpr fsm command
Field
Description
RPR_Fsm: On
interface-type
interface-number. String
protection switch is
current
The String field indicates the current protection event:
• TP_RCVD—Received TP frames.
• WTR_EXP—WTR timer expired.
• AUTO_IDLE—Link recovery event.
• AUTO_SD—Signal degraded.
• AUTO_SF—Signal failure.
• ADMIN_IDLE—Manual recovery.
• ADMIN_MS—Manual switch.
• ADMIN_FS—Forced switch.
312