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Additional Tips About the MultiLink Trunking Feature
When you create a MultiLink Trunk, the individual trunk members (the specific
ports that make up the trunk) logically connect and react as a single entity. For
example, if you change spanning tree parameters for any trunk member, the
spanning tree parameters for all trunk members change.
All configured trunks are indicated in the Spanning Tree Configuration screen.
The screen’s Trunk field lists the active trunks, adjacent to the port numbers that
correspond to the specific trunk member for that trunk.
When a trunk is active you can disable spanning tree participation using the Trunk
Configuration screen or using the Spanning Tree Configuration screen.
When a trunk is not active, the spanning tree participation setting in the Trunk
Configuration screen does not take effect until the Trunk Status field is set to
Enabled.
The trunk is also viewed by management stations as a single spanning tree port.
The spanning tree port is represented by the trunk member with the lowest port
number. For example, if ports 13, 14, 15, and 16 are trunk members of trunk T1,
the management station views trunk T1 as spanning tree port 13.
For more information about using the MultiLink Trunking feature, see “MultiLink
Trunk Configuration” on page 3-39.
See also Appendix D, “Quick Steps to Features,” for configuration flowcharts that
can help you use this feature.