3com 8807 Reference Guide

C

HAPTER

 13: MSTP C

ONFIGURATION

 C

OMMANDS

Message-age time, and Remaining-hops; Num of VLANs Mapped, number of sent 
BPDU packets, and number of received BPDU packets.

3 Global MSTIs parameter: MSTI instance ID, bridge priority of the instance, region 

root, internal path cost, MSTI root port, MASTER bridge, path cost to region root 
and number of the received TC packets. If you specify the relationship between 
master roots and slave roots in an instance, the global MSTI parameters can also 
be displayed in MSTI Root Type.

4 MSTIs port parameter: Port state, role, priority, path cost, path cost standard, 

designated bridge, designated port, and remaining hops. You can view Num of 
VLANs Mapped in port view.

Statistics information: Count of TCN, CONFIG BPDU, RST, and MST BPDU 
transmitted/received via the port.

Related command: reset stp.

# Display the state and statistics information about the spanning tree.

<SW8800> display stp instance 0 interface Ethernet 2/1/1 to Ethernet 2/1/4  

  GigabitEthernet 3/2/1 to GigabitEthernet 3/2/4 GigabitEthernet 3/3/1 brief

 

  MSTID      Port                  Role  STP State     Protection

 

   0        Ethernet2/1/1         ALTE  DISCARDING      LOOP

 

   0        Ethernet2/1/2         DESI  FORWARDING      NONE

 

   0        Ethernet2/1/3         DESI  FORWARDING      NONE

 

   0        Ethernet2/1/4         DESI  FORWARDING      NONE

 

   0        GigabitEthernet3/2/1  DESI  FORWARDING      NONE

 

   0        GigabitEthernet3/2/2  DESI  FORWARDING      NONE

 

   0        GigabitEthernet3/2/3  DESI  FORWARDING      NONE

 

   0        GigabitEthernet3/2/4  DESI  FORWARDING      NONE

 

   0        GigabitEthernet3/3/1  ROOT  FORWARDING      NONE 

Any view

None

Use the display stp region-configuration command to view the effective MST 
region configurations.

Table 26   Description on the fields of the display stp command

MSTID 

MST instance ID in a MST region 

Port 

Port number, corresponding to the related MST instance 

Role 

Role of the port 

STP State  Port STP state, including enabled status and disabled status, and also monitoring 

and learning status during transition 

Protection  Protection type on the port