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Gigabitethernet IEEE 802.3—gigabitethernet
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Port Channel ID—port-channel
In addition to port state changes, RSTP introduces port roles for all the interfaces.
RSTP (802.1w)
Port Role
Description
Root
The port that receives the best BPDU on a bridge.
Designated
The port can send the best BPDU on the segment to which it is connected.
Alternate
The port offers an alternate path, in the direction of root bridge, to that provided by bridge’s root
port.
Backup
The port acts as a backup for the path provided by a designated port in the direction of the spanning
tree.
Example
The RSTP default values are adequate for most implementation. Use caution when making changes to the spanning
tree values.
(host) (config-if) #spanning-tree cost 345
(host) (config-if) #spanning-tree point-to-point ?
(host) (config-if) #spanning-tree portfast ?
(host) (config-if) #spanning-tree vlan range 2-8,11
Related Commands
spanning-tree (Global Configuration)
Command History
Release
Modification
ArubaOS 6.0
Added support for PVST+ and VLAN and VLAN Range
ArubaOS 3.4
Upgraded STP to RSTP with full backward compatibility.
ArubaOS 1.0
Introduced the Spanning Tree Protocol (STP).
Command Information
Platforms
Licensing
Command Mode
All platforms
Base operating system
Configuration Interface (config-if)
Dell PowerConnect W-Series ArubaOS 6.2 |
Reference Guide
spanning-tree (Configuration Interface) | 1415
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