Specifications

show spanning-tree
229
Display items in Example 3
Item Meaning Displayed information
Multiple Spanning Tree Operating status of the
protocol (Multiple Spanning
Tree)
Enabled: Running
Disabled: Disabled
Revision Level Revision level Displays the revision level that is set in the
configuration.
0 to 65535
Configuration Name Region name Displays the region name that is set in the
configuration.
0 to 32 characters
CIST Information CIST Spanning Tree
information
CIST Spanning Tree information
VLAN Mapped Instance mapping VLAN Lists the VLANs allocated to MST instance 0 (IST).
A hyphen (-) is displayed if no VLANs are allocated.
The Switch supports 1 to 4094 VLAN IDs, although
according to the standard, 1 to 4095 VLAN IDs are
used for region configuration. VLAN IDs from 1 to
4095 are clearly displayed so that you can
determine which instance each VLAN ID supported
by the standard belongs to.
CIST Root Bridge ID for the CIST root
bridge
--
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC MAC address MAC address for the CIST root bridge
External Root Cost External root path cost Path cost value from the Switch's CIST internal
bridge to the CIST root bridge. 0 is displayed if the
Switch is the CIST root bridge.
Root Port Root port Displays the port number of the CIST root port. If the
CIST root port 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 CIST
root bridge.
Regional Root Bridge ID for the regional
root bridge of MST instance
0 (IST)
Displays information about the regional root bridge
of MST instance 0 (IST).
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 MST
instance 0 (IST)