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Spanning Tree Configuration Command Set
Configuring Spanning Tree Bridge Parameters
6-12 Matrix NSA Series Configuration Guide
This example shows how to display port-specific Spanning Tree information for port ge.1.1.
Table 6-2 describes the port-specific information displayed.
Matrix(rw)->show spantree stats port ge.1.1
Spanning tree status - enabled
Spanning tree instance - 0
Designated Root MacAddr - 00-e0-63-93-79-0f
Designated Root Priority - 0
Designated Root Cost - 0
Designated Root Port - 0
Root Max Age - 20 sec
Root Hello Time - 2 sec
Root Forward Delay - 15 sec
Bridge ID MAC Address - 00-e0-63-93-79-0f
Bridge ID Priority - 0
Bridge Max Age - 20 sec
Bridge Hello Time - 2 sec
Bridge Forward Delay - 15 sec
Topology Change Count - 5
Time Since Top Change - 00 days 03:16:54
Max Hops - 20
SID Port State Role Cost Priority
--- ---------- ---------------- ----------- -------- --------
0 ge.1.1 Blocking Disabled 20000 128
Table 6-2 Port-Specific show spantree stats Output Details
Output Field What it Displays ...
SID The Spanning Tree instance.
Port The port name.
State The Spanning Tree forwarding state of the port. This value can be
Blocking, Forwarding, Listening, or Learning. If the port/SID has been
placed in a non-forwarding state for a reason other than normal Spanning
Tree protocol operation, an asterisk will be displayed next to the state.
You can use the show spantree nonforwardingreason command
(Section 6.2.3.21) to display the specific reason.