Chapter 16
| 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
link-type
This command configures the link type for Rapid Spanning Tree and Multiple
Spanning Tree. Use the no form to restore the default.
Syntax
spanning-tree link-type {auto | point-to-point | shared}
no spanning-tree link-type
auto - Automatically derived from the duplex mode setting.
point-to-point - Point-to-point link.
shared - Shared medium.
Default Setting
auto
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† Specify a point-to-point link if the interface can only be connected to exactly
one other bridge, or a shared link if it can be connected to two or more bridges.
â—† When automatic detection is selected, the switch derives the link type from the
duplex mode. A full-duplex interface is considered a point-to-point link, while a
half-duplex interface is assumed to be on a shared link.
Example
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree link-type point-to-point
spanning-tree
loopback-detection
This command enables the detection and response to Spanning Tree loopback
BPDU packets on the port. Use the no form to disable this feature.
Syntax
[no] spanning-tree loopback-detection
Default Setting
Enabled
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