Mrp - Siemens SIMATIC NET SCALANCE SC-600 Configuration Manual

Technical basics
3.6 Redundancy
• The ports of the standby coupling partners must be disabled in spanning tree.
• You configure standby redundancy in Web Based Management, Command Line
Interface or using SNMP.
Example for configuration
You can find an example for configuration of HRP rings with standby coupling on the
Internet pages of Siemens Industry Online Support.
Link: (https://support.industry.siemens.com/cs/ww/en/view/109739600)
3.6.2

MRP

The "MRP" method conforms to the Media Redundancy Protocol (MRP) specified in the
following standard:
IEC 62439-2 Release 1.0 (2010-02) Industrial communication networks - High availability
automation networks Part 2: Media Redundancy Protocol (MRP)
The reconfiguration time after an interruption of the ring is a maximum of 200 ms.
Topology
The following figure shows a possible topology for devices in a ring with MRP.
Figure 3-2 Example of a ring topology with the MRP media redundancy protocol
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SCALANCE SC-600 Web Based Management (WBM)
Configuration Manual, 10/2021, C79000-G8976-C475-03