3com S7906E Guide De Référence

 

1-10 

Table 1-8 display stp root command output description  

MSTID 

MSTI ID  

Root Bridge ID 

Root bridge ID 

ExtPathCost 

External path cost 

IntPathCost 

Internal path cost 

Root Port 

Root port name (displayed only if a port of the 
current device is the root port of multiple MSTIs) 

 

display stp [ instance instance-id ] tc [ slot slot-number ] 

Any view 

0: Visit level 

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.  

Use the display stp tc command to view the statistics of TC BPDUs received and sent.  

Note that: 

z 

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.  

z 

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.  

# 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                       Receive      Send 

   0        GigabitEthernet2/0/1          6          4 

   0        GigabitEthernet2/0/2          0          2