Signamax Managed Hardened PoE Industrial DIN-rail Mount Switch - Manual (Page 65)

12 RecoverRing Configuration
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The primary and secondary ports of a transit node have the same functions.
The bottom part of this page lists the configuration of each of the two rings.
Caution: A port with STP enabled cannot act as primary port or secondary port.
12.2 RecoverRing II™ Coupling
This page sets RecoverRing II™ coupling configuration: Ring, Coupling Status, Coupling
Mode, Coupling Control Port and Coupling Backup Port.
Ring: The ring ID associated with coupling functions.
Coupling Status: To enable/disable the coupling function of the selected ring. To enable this
function, the associated ring must be enabled first.
Coupling Mode: There are four coupling modes: Dual homing, Coupling Primary, Coupling
Backup, and Peer Coupling. Coupling Control Port and Coupling Backup Port play different
roles in different modes. There is a coupling control port and a coupling backup port in Dual
homing mode; there is only a coupling control port In Coupling Primary and Peer Coupling
modes; there is only a coupling backup port in Coupling Backup mode.
Coupling Control Port: Assign the port that is connected to the other ring as primary
connection between rings. The status of this port is generally set to forwarding.
Coupling Backup Port: Assign the port that is connected to the other ring for backup. In
case that the Coupling Control Port is broken, this port is unblocked.
Coupling Mode: configuration rules:
1. Two directly connected rings cannot have the same Ring ID.
2. Within a ring, only one switch can be set as Coupling Primary, and the other one as