C
HAPTER
34
| Spanning Tree Commands
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EXAMPLE
Console(config)#interface 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
tc-prop-stop
This command stops the propagation of topology change notifications
(TCN). Use the no form to allow propagation of TCN messages.
SYNTAX
[no] spanning-tree tc-prop-stop
DEFAULT SETTING
Disabled
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
COMMAND USAGE
â—† When this command is enabled on an interface, topology change
information originating from the interface will still be propagated.
â—† This command should not be used on an interface which is purposely
configured in a ring topology.
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