Hirschmann RS20 User Manual page 119

Spanning Tree
Prerequisites for further configuration:
 You have configured the MRP settings for the devices in accordance with
the above table.

The redundant line in the MRP-Ring is closed.
S5
1.2
1.1
1
RM
1.1 1.2
S1
1.3
2
1.1
S3
1.2
Figure 56: Application example for the combination of RSTP and MRP
1: MRP-Ring, 2: RSTP-Ring, 3: Redundant RSTP connection
RM: Ring Manager
S2 is RSTP Root Bridge
S1 is RSTP Backup Root Bridge
 Activate RSTP at the ports, using S1 as an example
enable
configure
interface 1/1
spanning-tree port mode
exit
interface 1/2
spanning-tree port mode
UM RedundConfig L2P
Release 8.0 05/2013
S6
1.1 1.2
1.1 1.2
S2
1.3
1.1
3
S4
1.2
6.7 Combining RSTP and MRP
Switch to the privileged EXEC mode.
Switch to the Configuration mode.
Switch to the Interface Configuration mode of
interface 1/1.
Activate RSTP on the port.
Switch to the Configuration mode.
Switch to the interface configuration mode for
port 1.2.
Activate RSTP on the port.
(see table 17).
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