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.
正确答案:B
答案解析:有
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