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EKI-7758F User Manual 74
Figure 3.42: IGMP Configuration interface
X-Ring
X-Ring provides a faster redundant recovery than Spanning Tree topology. The action is similar to STP or
RSTP, but the algorithms not the same.
In the X-Ring topology, every switch should enable X-Ring function and assign two member ports in the
ring. Only one switch in the X-Ring group would be set as a master switch, one of its path would be
blocked, called backup port, and another port is called working port. Other switches in the X-Ring group
are called working switches and their two member ports are called working ports. When the failure of
network connection occurs, the backup port will automatically become a working port to recovery the
failure.
The switch supports the function and interface for setting the switch as the ring master or slave mode.
The ring master can negotiate and place command to other switches in the X-Ring group. If there are 2 or
more switches in master mode, then software will select the switch with lowest MAC address number as
the ring master. The X-Ring master ring mode will be enabled by the X-Ring configuration interface. Also,
user can identify the switch as the ring master from the R.M. LED panel of the LED panel on the switch.
The system also supports the coupling ring that can connect 2 or more X-Ring group for the redundant
backup function and dual homing function that prevent connection lose between X-Ring group and upper
level/core switch.
•
Enable X-Ring
: To enable the X-Ring function. Marking the check box to enable the X-Ring function.
•
Enable Ring Master
: Mark the check box for enabling this machine to be a ring master.
•
1st & 2nd Ring Ports
: Pull down the selection menu to assign two ports as the member ports. 1st
Ring Port is the working port and 2nd Ring Port is the backup port. When 1st Ring Port fails, the system
will automatically upgrade the 2nd Ring Port to be the working port.
•
Enable Coupling Ring
: To enable the coupling ring function. Marking the check box to enable the
coupling ring function.
•
Coupling port
: Assign the member port.
•
Control port
: Set the switch as the master switch in the coupling ring.
•
Enable Dual Homing
: Set up one of port on the switch to be the Dual Homing port. In an X-Ring group,
maximum Dual Homing port is one. Dual Homing only work when the X-Ring function enable.