HP Comware 5 Debug Manual Vol 3

Default command level
2: System level
Usage guidelines
Table 4 describes output fields and messages for the debugging stp global-event command.
Table 208 Output from the debugging stp global-event command
Field
Description
Instance InstanceID Enters PRS Machine
VLAN VLANID Enters PRS Machine
MSTI InstanceID or VLAN VLANID entered the PRS state
machine.
Examples
# In MSTP mode, enable STP global event debugging.
<Sysname> debugging stp global-event
*Mar 18 14:28:41:777 2010 Sysname IFNET/5/LINK UPDOWN:
Ethernet1/1: link status is UP
*Mar 18 14:28:41:778 2010 Sysname MSTP/7/PRS:Instance 0 Enters PRS Machine.
// MSTI 0 entered the PRS state machine.
*Mar 18 14:28:41:778 2010 Sysname MSTP/7/PRS:Instance 2 Enters PRS Machine.
// MSTI 2 entered the PRS state machine.
# In PVST mode, enable STP global event debugging.
<Sysname> debugging stp global-event
*Mar 18 14:28:41:777 2010 Sysname IFNET/5/LINK UPDOWN:
Ethernet1/1: link status is UP
*Mar 18 14:28:41:778 2010 Sysname MSTP/7/PRS:VLAN 1 Enters PRS Machine.
// VLAN 1 entered the PRS state machine.
*Mar 18 14:28:41:778 2010 Sysname MSTP/7/PRS:VLAN 2 Enters PRS Machine.
// VLAN 2 entered the PRS state machine.
debugging stp packet
Use debugging stp packet to enable STP BPDU debugging.
Use undo debugging stp packet to disable STP BPDU debugging.
Syntax
debugging stp packet [ receive | send ] [ vlan vlan-id ] [ interface interface-type interface-number ] [ brief
| verbose ]
undo debugging stp packet [ receive | send ] [ vlan vlan-id ] [ interface interface-type interface-number ]
[ brief | verbose ]
Default
STP BPDU debugging is disabled.
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