HP Comware 5 Debug Manual Vol 3

Internal RPC : 0
CIST Bridge ID : 32768.000f-e200-3700
CIST Port ID : 128.002
(Instance)Flags : (00)Desi[ A P ]
// Ethernet 1/1 received a 103-byte MSTP legacy-format packet.
# In MSTP mode, enable detailed STP BPDU debugging on all ports.
<Sysname> debugging stp packet send verbose
*Mar 18 14:28:41:782 2010 Sysname MSTP/7/PKT:
Port385(Ethernet1/1) Send Mstp-legacy Packet(Length: 103)
00 00 03 02 6c 80 00 00 e0 fc 00 00 00 00 00 00
00 80 00 00 e0 fc 00 00 00 81 81 00 00 14 00 02
00 0f 00 00 00 00 40 30 30 65 30 66 63 30 30 30
30 30 30 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 ac 36 17 7f 50 28 3c
d4 b8 38 21 d8 ab 26 de 62 80 00 00 e0 fc 00 00
00 00 00 00 00 14 00
// Ethernet 1/1 sent a 103-byte MSTP legacy-format BPDU. The entire 103 bytes of data are displayed.
# In PVST mode, enable debugging for received STP BPDUs on all ports.
<Sysname> debugging stp packet receive
*Mar 18 14:28:41:781 2010 DeviceB MSTP/7/PKT:
Port386(Ethernet1/1) VLAN 2 Rcvd Mstp-legacy Packet(Length: 42)
ProtocolVersionID: 03
BPDUType : 02
Flags : Desi[ P ]
// Ethernet 1/1 received a 42-byte PVST packet.
# In PVST mode, enable detailed STP BPDU debugging on all ports.
<Sysname> debugging stp packet send verbose
*Mar 18 14:28:41:782 2010 DeviceA MSTP/7/PKT:
Port385(Ethernet1/1) VLAN 2 Send Rstp Packet(Length: 42)
00 00 02 02 6c 80 00 00 e0 fc 00 00 00 00 00 00
00 80 00 00 e0 fc 00 00 00 81 81 00 00 14 00 02
00 0f 00 00 00 00 00 02 00 02
// Ethernet 1/1 sent a 42-byte PVST BPDU. The entire 42 bytes of data are displayed.
debugging stp roles
Use debugging stp roles to enable STP port role change debugging.
Use undo debugging stp roles to disable STP port role change debugging.
Syntax
debugging stp roles
undo debugging stp roles
Default
STP port role change debugging is disabled.
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