75 Chapter3
• Enable Dual Ring: When this check box is marked, the ‘Enable Ring Master’ check box will then also
be enabled by the system which means this equipment is assigned as the Ring Master. The Dual Ring
differs from the Couple Ring in that it only needs a unit to form a redundant linking system of two rings.
• And then, click Apply to apply the configuration.
Figure 3.43: X-ring interface
Note When the X-Ring function enable, user must disable the RSTP. The X-Ring
function and RSTP function cannot exist at the same time.
Remember to execute the “Save Configuration” action, otherwise the new
configuration will lose when switch power off.