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Dual Homing Application
Dual Homing function is to prevent the connection lose between redundant ring
group and upper level/core switch. The Dual Homing function only work when
the redundant ring function is active. The maximum Dual Homing port is one in
a redundant ring group.
[NOTE]
In Dual Homing application architecture, the upper level switches need
to enable the Rapid Spanning Tree protocol.