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FASTER CONVERGENCE ON PRIMARY PROVIDER EDGE (PE) FAILURE IN A SINGLE-ACTIVE REDUNDANCY TOPOLOGY
FASTER CONVERGENCE ON PRIMARY PROVIDER EDGE (PE) FAILURE IN A SINGLE-ACTIVE REDUNDANCY TOPOLOGY
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机译:单活动冗余拓扑中主供应商边缘(PE)故障的更快收敛
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摘要
A method is provided that is implemented by a network device. The method is for expediting convergence to a backup provider edge (PE) in response to a failure of a primary PE in a single- active redundancy topology of an Ethernet Segment having a multi-homed customer edge (CE), where the network device functions as the backup PE in the Ethernet segment. The method includes detecting a failure of the primary PE via an indication from the CE, changing known media access control (MAC) / internet protocol (IP) routes previously reachable via the primary PE to be reachable via alias of the backup PE, and sending MAC/IP route advertisements for the changed MAC/IP routes with incremented sequence numbers.
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