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The default value of r-aps level is 7. All nodes in the ethernet ring must be configured with the same level.
Each ERPS node can only process APS messages with an r-aps level value less than or equal to itself. If a ring port receives an APS message with an R-APS level value larger than its own, all the ring ports belonging to this ERPS instance will become blocking.
Example
- Configure the Automatic Protection Switching (APS) message level for the node.
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