Display Stp - 3Com S7906E Command Reference Manual

Table 1-8 display stp root command output description
MSTID
Root Bridge ID
ExtPathCost
IntPathCost
Root Port
display stp tc
Syntax
display stp [ instance instance-id ] tc [ slot slot-number ]
View
Any view
Default Level
0: Visit level
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 value of instance-id ranges from 0 to 31. The
minimum value is 0, representing the CIST.
slot slot-number: Displays the statistics of TC BPDUs received and sent by all ports on a particular
card.
Description
Use the display stp tc command to view the statistics of TC BPDUs received and sent.
Note that:
If you do not specify an MSTI ID, this command will display the statistics of TC BPDUs received
and sent by all ports in all spanning tree instances. The displayed information is sequenced by
instance ID and by port name in each spanning tree instance.
If you specify an MSTI ID, this command will display the statistics of TC BPDUs received and sent
by all ports in the specified MSTI, in port name order.
Examples
# View the statistics of TC BPDUs received and sent by all ports on the card on slot 1 in MSTI 0.
<Sysname> display stp instance 0 tc slot 1
-------------- STP slot 1 TC or TCN count -------------
MSTID Port
0 GigabitEthernet2/0/1
0 GigabitEthernet2/0/2
Field
Receive
1-10
Description
MSTI ID
Root bridge ID
External path cost
Internal path cost
Root port name (displayed only if a port of the
current device is the root port of multiple MSTIs)
Send
6 4
0 2