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單項(xiàng)選擇題

Which condition must be met to allow a PE router to forward VPN traffic across a LSP in a Layer 3 VPN environment?()

A. The BGP next hop must be in inet.1.
B. The BGP next hop must be in inet.3.
C. Must have a bidirectional LSP configured.
D. Must have a static route to allow an ARP for connected interfaces.

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