PE1 has connections to VPN sites that are served by three remote PE routers. How many LSP’s must be established to support 2547bis？（）
- A、an LSP for each local CE device
- B、an LSP for each remote PE device
- C、an LSP for each remote CE device
- D、an LSP for each CE facing interface
正确答案:B
答案解析:有
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