An inter-ring service protection method and apparatus, including: for inter-ring services with the same inter-ring node and destination node, configuring a shared tunnel for the inter-ring services on the same ring which the inter-ring services pass through, and on an inter-ring node, performing inter-ring tunnel binding, designating a master inter-ring node and a standby inter-ring node, and binding a tunnel for each inter-ring service on an ingress node and an egress node of the inter-ring service; and detecting whether the ring which the inter-ring service pass through has a status change, and if there is a status change, then performing protection switching or switchback processing. With the present document, establishing a corresponding inter-ring protection path for each inter-ring service can be avoided, thus reducing configuration complexity; in addition, for inter-ring services with the same inter-ring node and destination node on the ring, they can be aggregated onto a shared working tunnel or protection tunnel for transmission, thus reducing the workload of configuring the working tunnel and the protection tunnel.
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