C
HAPTER
32
| Spanning Tree Commands
– 819 –
EXAMPLE
Console#show spanning-tree
Spanning Tree Information
---------------------------------------------------------------
Spanning Tree Mode : MSTP
Spanning Tree Enabled/Disabled : Enabled
Instance : 0
VLANs Configured : 1-4093
Priority : 32768
Bridge Hello Time (sec.) : 2
Bridge Max. Age (sec.) : 20
Bridge Forward Delay (sec.) : 15
Root Hello Time (sec.) : 2
Root Max. Age (sec.) : 20
Root Forward Delay (sec.) : 15
Max. Hops : 20
Remaining Hops : 20
Designated Root : 32768.0.0001ECF8D8C6
Current Root Port : 21
Current Root Cost : 100000
Number of Topology Changes : 5
Last Topology Change Time (sec.): 11409
Transmission Limit : 3
Path Cost Method : Long
Cisco Prestandard : Disabled
---------------------------------------------------------------
Eth 1/ 1 information
---------------------------------------------------------------
Admin Status : Enabled
Role : Disabled
State : Discarding
External Admin Path Cost : 0
Internal Admin Path Cost : 0
External Oper Path Cost : 100000
Internal Oper Path Cost : 100000
Priority : 128
Designated Cost : 100000
Designated Port : 128.1
Designated Root : 32768.0.0001ECF8D8C6
Designated Bridge : 32768.0.123412341234
Fast Forwarding : Disabled
Forward Transitions : 4
Admin Edge Port : Disabled
Oper Edge Port : Disabled
Admin Link Type : Auto
Oper Link Type : Point-to-point
Spanning-Tree Status : Enabled
Loopback Detection Status : Enabled
Loopback Detection Release Mode : Auto
Loopback Detection Trap : Disabled
Loopback Detection Action : Shutdown, 300 seconds
Root Guard Status : Disabled
BPDU Guard Status : Disabled
BPDU Filter Status : Disabled
Tx BPDUs : 11320
Rx BPDUs : 0
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