C
HAPTER
35
| Spanning Tree Commands
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EXAMPLE
Console(config)#interface ethernet ethernet 1/5
Console(config-if)#spanning-tree edge-port
Console(config-if)#spanning-tree root-guard
Console(config-if)#
spanning-tree
spanning-disabled
This command disables the spanning tree algorithm for the specified
interface. Use the no form to re-enable the spanning tree algorithm for the
specified interface.
SYNTAX
[no] spanning-tree spanning-disabled
DEFAULT SETTING
Enabled
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
EXAMPLE
This example disables the spanning tree algorithm for port 5.
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree spanning-disabled
Console(config-if)#
spanning-tree
loopback-detection
release
This command manually releases a port placed in discarding state by
loopback-detection.
SYNTAX
spanning-tree loopback-detection release interface
interface
ethernet unit/port
unit - Stack unit. (Range: 1)
port - Port number. (Range: 1-24)
port-channel channel-id (Range: 1-32)
COMMAND MODE
Privileged Exec
COMMAND USAGE
Use this command to release an interface from discarding state if loopback
detection release mode is set to “manual” by the spanning-tree loopback-
detection release-mode command and BPDU loopback occurs.
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