GE -DSH-73 User Manual page 120

Chapter 5: Web-Based Management
Figure 5-60: Coupling Ring Application
Dual Homing Application
Dual Homing function is to prevent the connection lose from between X-Ring group
and upper level/core switch. Assign two ports to be the Dual Homing port that is
backup port in the X-Ring group. The Dual Homing function only works when the X-
Ring function is active. Each X-Ring group only has one Dual Homing port.
Figure 5-61: Dual Homing Ring Application
NOTE: In Dual Homing application architecture, the upper level switches need to
enable the Rapid Spanning Tree protocol.
116 GE-DSH-73/DSH-82 and DSH-82-PoE User Manual