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20.5.2 Basic configuration for the multi-fault monitoring functionality
The multi-ring configurations with shared links to which the multi-fault monitoring
functionality can be applied are those in which the shared link non-monitoring rings used as
the backup ring and the shared link monitoring ring are associated one-to-one. The shared
node is set as the master node of the shared link monitoring ring. The following figure
shows an example of a basic configuration for the multi-fault monitoring functionality.
Figure 20-20 Basic configuration example for multi-fault monitoring
20.5.3 Overview of operation for multi-fault monitoring
Multi-faults are monitored on shared nodes placed at both ends of a shared link in a
multi-ring configuration with shared links. Shared nodes send control frames for monitoring
multi-faults in shared link monitoring rings (called multi-fault monitoring frames). Multi-fault
monitoring frame reception is monitored on opposing shared nodes. Note that multi-fault
monitoring frames are sent over a special VLAN (called a multi-fault monitoring VLAN).
The Switch supports receipt and forwarding of multi-fault monitoring frames and clearing of
MAC address table entries.
20 Description of the Ring Protocol
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