Specifications

show spanning-tree
243
Link Type : - PortFast : OFF
BPDUFilter: OFF Hello Time: 2
RootGuard : OFF
Port:0/18 Down
Status : Disabled Role : -
Priority : 128 Cost : -
Link Type : - PortFast : OFF
BPDUFilter: OFF Hello Time: 2
RootGuard : OFF
Port:0/19 Down
Status : Disabled Role : -
Priority : 128 Cost : -
Link Type : - PortFast : OFF
BPDUFilter: OFF Hello Time: 2
RootGuard : OFF
Port:0/20 Up
Status : Forwarding Role : Designated
Priority : 128 Cost : 4095
Link Type : point-to-point PortFast : ON(BPDU not received)
BPDUFilter: OFF Hello Time: 2
RootGuard : OFF
:
>
Display items in Example 6
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
Time Since Topology
Change
Time since a topology
change was detected
hh:mm:ss (when the elapsed time is less than 24
hours)
ddd.hh:mm:ss (when the elapsed time exceeds
24 hours)
Over 1000 days (when the elapsed time is more
than 1000 days)
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.