Transition Networks | SISGM1040-162D-LR |
X-Ring
X-Ring provides a faster redundant recovery than Spanning Tree topology. The action is similar to STP or RSTP, but the algorithms are different.
In the X-Ring topology, every switch should enable X-Ring function and assign two member ports for connecting to the ring. Only one switch in the X-Ring group would be set as the master switch with one of the member ports 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 a failure of a network connection occurs, the backup port will automatically become a working port to recover from 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 command 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, users can identify the switch as the ring master when the R.M. LED on the switch is lit.
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 prevents lost connection between an X-Ring group and an 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. The 1st Ring Port and 2nd Ring Port are basically assigned to be forwarding ports except for the Ring Master switch. With the Ring Master switch, one of its two Ring Ports is the blocking port and another one is the forwarding port.
Once its forwarding port fails, the system will automatically upgrade its blocking port
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