Hirschmann RS20 User Manual page 13

Introduction 1.2 Overview of
Redundancy Protocols
Note: When you are using a redundancy function, you deactivate the flow
control on the participating device ports. If the flow control and the
redundancy function are active at the same time, there is a risk that the
redundancy function will not operate as intended.
UM RedundConfig L2P
13
Release 8.0 05/2013