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Next Hop Ingress Protection Of Label Switched Paths
Next Hop Ingress Protection Of Label Switched Paths
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机译:标签交换路径的下一跳入口保护
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摘要
A network node for providing ingress fault protection. The network node may be along a primary label switched path (LSP) and may be configured to receive an ingress protection request message that identifies one or more other network nodes along the primary LSP. The network node may generate a forwarding table that comprises one or more forwarding entries for the other network nodes along the primary LSP and one or more forwarding entries for the other network nodes along a backup LSP. In typical operation, the network node may receive data traffic from a first source path within a label switched network and may send the data traffic using the primary LSP. When an ingress node fault in the first source path is present, the network node may receive data traffic from a second source path and may send the data traffic using the backup LSP.
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