When designing BGP routing control for SDN-WAN, the entire backbone network structure is a dual-plane structure, which increases the reliability of the network. PE equipment on the same plane is preferred when selecting BGP routes. This is achieved through ().

When designing BGP routing control for SDN-WAN, the entire backbone network structure is a dual-plane structure, which increases the reliability of the network. PE equipment on the same plane is preferred when selecting BGP routes. This is achieved through ().
A . ORIGIN
B . MED
C . LocalPre
D . AS_PATH

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Answer: B