Specifications

show spanning-tree
230
Item Meaning Displayed information
Internal Root Cost Internal root path cost for
MST instance 0 (IST)
Path cost value from the Switch to the regional root
bridge of MST instance 0 (IST). 0 is displayed if the
Switch is the regional root bridge of MST instance 0
(IST).
A hyphen (-) is displayed if Multiple Spanning Tree
is disabled.
Bridge ID Bridge ID for MST instance
0 (IST) of the Switch
Displays information about the bridge of MST
instance 0 (IST) of the Switch.
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC MAC address MAC address of the Switch
Regional Bridge Status Status of the bridge for MST
instance 0 (IST) of the
Switch
Root: Root bridge
Designated: Designated bridge
MST Instance MST instance ID Displays the MST instance ID and information about
the instance.
VLAN Mapped Instance mapping VLAN Lists the VLANs allocated to the MST instance. A
hyphen (-) is displayed if no VLANs are allocated.
Regional Root ID for the regional root
bridge of the MST instance
Displays information about the regional root bridge
of the MST instance.
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC MAC address MAC address for the regional root bridge of the MST
instance
Internal Root Cost Internal root path cost for
the MST instance
Path cost value from the Switch to the regional root
bridge of MST instance. 0 is displayed if the Switch
is the regional root bridge of the MST instance.
Root Port Root port of the MST
instance
Displays the port number of the root port of the MST
instance. If the root port of the MST instance is a link
aggregation port, the link aggregation port list and
the channel group number are displayed.
A hyphen (-) is displayed if the Switch is the
regional root bridge of the MST instance.
Bridge ID Bridge ID for the MST
instance of the Switch
Displays information about the bridge of the MST
instance of the Switch.
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC MAC address MAC address of the Switch
Regional Bridge Status Status of the bridge for the
MST instance of the Switch
Root: Root bridge
Designated: Designated bridge