R0106-HP MSR Router Series Layer 2 - LAN Switching Command Reference(V7)

20
Field Descri
p
tion
VLANs Mapped VLANs mapped to the MSTI.
Related commands
• instance
• region-name
• revision-level
• vlan-mapping modulo
display stp root
Use display stp root to display the root bridge information of spanning trees.
Syntax
display stp root
Views
Any view
Predefined user roles
network-admin
network-operator
Examples
# In MSTP mode, display the root bridge information of all spanning trees.
<Sysname> display stp root
MST ID Root Bridge ID ExtPathCost IntPathCost Root Port
0 0.00e0-fc0e-6554 200200 0 GigabitEthernet2/1/1
# In PVST mode, display the root bridge information of all spanning trees.
<Sysname> display stp root
VLAN ID Root Bridge ID ExtPathCost IntPathCost Root Port
1 0.00e0-fc0e-6554 200200 0 GigabitEthernet2/1/1
Table 18 Command output
Field Descri
p
tion
ExtPathCost
External path cost. The device automatically calculates the default path cost of a port.
Or, you can use the stp cost command to configure the path cost of a port.
IntPathCost
Internal path cost. The device automatically calculates the default path cost of a port.
Or, you can use the stp cost command to configure the path cost of a port.
Root Port Root port name (displayed only if a port of the device is the root port of MSTIs).
display stp tc
Use display stp tc to display the statistics of TC/TCN BPDUs received and sent by ports.