System information

INS_CNGE3FE7MS4_REV– Rev. 4.30.14 PAGE 39
INSTALLATION AND OPERATION MANUAL CNGE3FE7MS4
TECH SUPPORT: 1.888.678.9427
Label Description
Enable Ring Mark to enable Ring.
Enable Ring Master There should be only one Ring Master in a ring. If there are
two or more switches that set Ring Master to enable, the switch
with the lowest MAC address will be the actual Ring Master and
others will be Backup Masters.
1st Ring Port The primary port, when this switch is Ring Master.
2nd Ring Port The backup port, when this switch is Ring Master.
Enable Coupling Ring Mark to enable the Coupling Ring. Coupling Ring can be used
to divide a big ring into two smaller rings to avoid affecting
all switches when network topology changes. 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.
Control Port Link to Control Port of the switch in the same ring. Control Port
used to transmit control signals.
Enable Dual Homing Mark to enable Dual Homing. By selecting Dual Homing mode,
ComRing will be connected to normal switches through two
RSTP links (ex: backbone Switch). The two links work as active/
backup mode, and connect each ComRing to the normal
switches in RSTP mode.
Apply Select Apply to set the configurations.
Note: ComNet does not recommend setting one switch as a Ring Master and a Coupling Ring
at the same time due to heavy load.