
303560-A Rev 00
2-609
base
Displays Spanning Tree global parameters in the base record. The table includes the
following information:
Sample Display - show span base
Spanning Tree Base Record Information
-------------------------------------
Time Since Number Of
State Root Bridge ID last top chg Topology Changes
------------ ----------------------- ------------ --------------------
Up 00:0A:00:00:00:00:00:01 256500 1
Bridge ID:
-----------------------
00:0A:00:00:00:00:00:01
circuits
[
<circuit name>
]
Displays Spanning Tree circuit information for all circuits or for a specified circuit. For
definitions of the columns in the table, see the
alerts
command.
State Current state of the Spanning Tree: Down, Init (initializing), Not
Present (enabled but not yet started), or Up.
Root Bridge ID Bridge ID of the root of the Spanning Tree. This is the lowest Bridge
MAC address; or if there is no Bridge MAC address, the bridge with
the lowest priority.
Time Since last top chg Time in hundredths of a second since the bridge detected the last
change in topology.
Number of Topology
Changes
Total number of topology changes that this bridge has detected since
it was last reset or initialized.
Bridge ID Identifier of the bridge the script is running on. You can compare this
ID to the Root Bridge ID above it.
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