Network topologies and media redundancy
1.7 Redundant coupling of network segments
SCALANCE X-200
26 Configuration Manual, 03/2015, C79000-G8976-C285-06
The two X-200IRT IE switches connected in the configuration exchange data frames with
each other and in doing so synchronize their operational status. Here, one device adopts the
role of standby master, the other the role of standby slave. If there are no problems, only the
link from the master to the other network segment is active. If this link fails (for example due
to a link-down or a device failure), the slave activates its link as long as the problem persists.
Reconfiguration takes place within 0.3 s.
Standby (Page 76)
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