D-Link 5000 Series Cli Reference Manual page 258

5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
Display Parameters
RX
Intf
Source_Mac
Version
Root_Mac
Root_Priority
Path_Cost
5-145 debug spanning-tree bpdu transmit
Enable transmitted spanning tree BPDU tracing. Enable spanning tree on the device and interface to
allow for monitoring of packets for a specified interface.
No command disables tracing of transmitted spanning tree BPDUs.
debug spanning-tree bpdu transmit
no debug spanning-tree bpdu transmit
Parameters
None
Default
The default is Disabled.
Command Mode
Privileged EXEC
Example
The following is a command example.
(Routing)#debug spanning-tree bpdu transmit
<15> JAN 01 01:02:04 192.168.17.29-1 DOT1S[191096896]:dot1s_debug.c(1249) 101 % Pkt TX
– Intf: 0/7(7), Source_Mac: 00:11:88:4e:c2:00 Version: 3, Root_Mac: 00:11:88:4e:c2:00,
Root_Priority:0x8000 Path_Cost: 0
A packet received by the device.
The interface that the packet came in on. Format used is unit/port/slot
(internal interface number). Unit is always shown as 1 for interfaces on a
non-stacking device.
Source MAC address of the packet.
Spanning tree protocol version (0-3). 0 refers to STP, 2 RSTP and 3
MSTP.
MAC address of the CIST root bridge.
Priority of the CIST root bridge. The value is from 0 to 61440. It is
displayed in hex in multiples of 4096.
External root path cost component of the BPDU.
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