User Manual Managed Switches
57
Ring coupling
Ring Coupling for two "O-Ring" rings
Switch B
Switch D
Coupling Port (Primary)
Main Path
Coupling Port (Backup)
Switch A
Switch C
Backup Path
Ring Coupling is activated by enabling the function in Switches A / B (Ring 1) and C / D (Ring 2) and
by defining one port of that switches as
“
Coupling Port”
.
NOTE:
Only two switches of a ring can enable Ring Coupling. More or less is invalid.
3.6.2.3 Dual Homing Configuration
The “
Dual
homing”
option allows the connection of a ring working with O-Ring protocol and an
Ethernet switch of a different redundant network using RSTP.
Dual-Homing for connection of an O-Ring ring with an RSTP network
Dual homing is activated by enabling the function in two switches of the ring using O-Ring protocol
and by defining one port of that switches as
“
Homing
Port”
.
NOTE:
Only two switches of a ring can enable Dual Homing. More or less is invalid.
O-Ring protocol
Primary Path (RSTP)
Backup Path (RSTP)