Allied Telesis AT-IFS802SP manual Dual Homing Application

22 AT-IFS802SP-80 User Manual

4.3 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.

[note]

In Dual Homing application architecture, the upper level switches need to enable the Rapid Spanning Tree protocol.