3Com MSR 30, MSR 50 Display stp tc, Model, Sent, Tree instance, in port name order, Mstp instance

604CHAPTER 38: MSTP CONFIGURATION COMMANDS

Table 108 Description on the fields of the display stp root command

Field	Description
Root Port	Root port name (displayed only if a port of the current device is
	the root port of multiple instances)

display stp tc

Syntax	display stp [ instance instance-id] tc
View	Any view
Parameters	instance instance-id: Displays the statistics of TC BPDUs (also known as TCN
	BPDUs) received and sent by all ports in a particular spanning tree instance. The
	minimum value of instance-idis 0, representing the common internal spanning
	tree (CIST), and the maximum value of instance-iddepends on the specific device
	model.
Description	Use the display stp tc command to view the statistics of TC BPDUs received and
	sent.
	Note that:
	■ If you do not specify a spanning tree instance ID, this command will display the
	statistics of TC BPDUs received and sent by all ports in all spanning trees. The
	displayed information is sequenced by instance ID and by port name in each
	spanning tree instance.
	■ If you specify a spanning tree instance ID, this command will display the
	statistics of TC BPDUs received and sent by all ports in the specified spanning
	tree instance, in port name order.
Examples	# View the statistics of TC BPDUs received and sent by all ports on the card on slot
	1 in MSTP instance 0.
	<Sysname> display stp instance 0 tc slot 1
	--------------	STP slot 1 TC or TCN count -------------
	MSTID	Port	Receive	Send
	0	Ethernet1/1	6	4
	0	Ethernet1/2	0	2
	Table 109 Description on the fields of the display stp tc command
	Field	Description
	MSTID	MSTP instance ID in the MST region
	Port	Port name
	Receive	Number of TC BPDUs received on each port
	Send	Number of TC BPDUs received by each port