RGPS-7244GP / RGPS-7244GP-P User’s Manual
ORing Industrial Networking Corp
37
The following table describes the labels in this screen.
Label
Description
Redundant
Ring
Mark to enable Ring.
Ring Master
There should be one and only one Ring Master in a ring.
However if there are two or more switches which set Ring
Master to enable, the switch with the lowest MAC address will
be the actual Ring Master and others will be Backup Masters.
1
st
Ring Port
The primary port, when this switch is Ring Master.
2
nd
Ring Port
The backup port, when this switch is Ring Master.
Coupling Ring
Mark to enable Coupling Ring. Coupling Ring can be used to
divide a big ring into two smaller rings to avoid effecting all
switches when network topology change. It is a good
application for connecting two Rings.
Coupling Port
Link to Coupling Port of the switch in another ring
.
Coupling
Ring need four switch to build an active and a backup link.
Set a port as coupling port. The coupled four ports of four
switches will be run at active/backup mode.
Dual Homing
Mark to enable Dual Homing. By selecting Dual Homing
mode, Ring will be connected to normal switches through two
RSTP links (ex: backbone Switch). The two links work as
active/backup mode, and connect each Ring to the normal
switches in RSTP mode.
Apply
Click “
Apply
” to set the configurations.
Note:
We don’t suggest you to set one switch as a Ring Master and a Coupling Ring at the
same time due to heavy load.
4.1.5.2 MSTP
Bridge Settings
This page allows you to configure RSTP system settings. The settings are used by all RSTP
Bridge instances in the Switch Stack.
