Converged Enhanced Ethernet Command Reference 143
53-1001762-01
show spanning-tree interface 9
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show spanning-tree interface
Displays the state of the Spanning Tree Protocol for all named port-channels or 10 Gbps Ethernet
interfaces.
Synopsis show spanning-tree interface [port-channel number | tengigabitethernet slot/port]
Operands port-channel number
Specifies the port-channel number. The range of valid values is 1-63.
tengigabitethernet
Specifies a valid 10 Gbps Ethernet interface.
slot Specifies a valid slot number.
port Specifies a valid port number.
Defaults There are no default configurations for this command.
Command
Modes
EXEC mode
Description Use this command to display the state of the spanning tree for all named port-channels or 10 Gbps
Ethernet interfaces.
Usage
Guidelines
The following describes the port roles, states and types:
•Port roles—root port, designated port, alternate port and backup port.
•Port states—discarding, learning, and forwarding.
•Port types—edge port (PortFast), point-to-point, and shared port.
Examples To display information on a 10 Gbps Ethernet interface:
switch#show spanning-tree interface tengigabitethernet 0/0
Spanning-tree Mode: Rapid Spanning Tree Protocol
Root Id: 8000.0005.1e76.1aa0 (self)
Bridge Id: 8000.0005.1e76.1aa0
Port Te 0/0 enabled
IfIndex: 67108864; Id: 8000; Role: Disabled; State: Discarding
Designated Path Cost: 0
Configured Path Cost: 2000
Designated Port Id: 0; Port Priority: 128
Designated Bridge: 0000.0000.0000.0000
Number of forward-transitions: 0
Version Rapid Spanning Tree Protocol - Received None - Send RSTP
Edgeport: off; AutoEdge: no; AdminEdge: no; EdgeDelay: 3 sec
Configured Root guard: off; Operational Root guard: off
Boundary: yes
Bpdu-guard: off
Bpdu-filter: off
Link-type: point-to-point
Received BPDUs: 0; Sent BPDUs: 0
See Also show spanning-tree brief