HP Comware 5 Debug Manual Vol 3

Service loopback group debugging commands
The service loopback group module name is identified as "SLBG" in debugging messages.
debugging service-loopback
Use debugging service-loopback to enable service loopback group debugging.
Use undo debugging service-loopback to disable service loopback group debugging.
Syntax
debugging service-loopback { all | error | event }
undo debugging service-loopback { all | error | event }
Default
Service loopback group debugging is disabled.
Views
User view
Default command level
1: Monitor Level
Parameters
all: Specifies all types of service loopback group debugging.
error: Specifies service loopback group error debugging.
event: Specifies service loopback group event debugging.
Examples
# Enable service loopback group error debugging. When SLBG is modifying the service type on an
interface card, output similar to the following example is generated:
<Sysname> debugging service-loopback error
*Nov 3 19:29:12:860 2007 Sysname SLBG/7/SLBG_DEBUG:
EVENT.0-16338762:
The service loopback group did not exist when modifying service type on IO board.
// The service loopback group did not exist.
# Enable service loopback group event debugging. When a service loopback group is removed, output
similar to the following example is generated:
<Sysname> debugging service-loopback event
<Sysname> system-view
[Sysname] undo service-loopback group 1
*Nov 3 19:29:12:860 2007 Sysname SLBG/7/SLBG_DEBUG:
EVENT.0-16338762:
Service loopback group 1 is reporting message to another module.
// When service loopback group 1 was removed, the group reported the event to another module.
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