Spanning-Tree Backup-Root; Spanning-Tree Mst-Configuration - SMC Networks SMC TigerStack III SMC6824M Management Manual

S T
PANNING REE

spanning-tree backup-root

This command adjusts the bridge priority in an attempt to take over as the
new root bridge if it loses contact with the original root device. Use the no
form to disable the command.
Syntax
[no] spanning-tree backup-root
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
This command will automatically lower the bridge priority of this device
by 4096 if the switch loses contact with the current root bridge. For this
command to succeed, the switch must have a direct connection to current
root bridge, and its adjusted bridge priority must be higher (i.e., a
numerically lower value) than all the other bridges in the spanning tree.
Example
Console(config)#spanning-tree backup-root
Console(config-mstp)#

spanning-tree mst-configuration

This command changes to Multiple Spanning Tree (MST) configuration
mode.
Default Setting
• No VLANs are mapped to any MST instance.
• The region name is set the switch's MAC address.
Command Mode
Global Configuration
Example
Console(config)#spanning-tree mst-configuration
Console(config-mstp)#
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OMMANDS