What is the encapsulation format of an MPLS Multicast VPN （MVPN） packer？（）
- A、IP unicast in IP unicast
- B、IP multicast in IP anycast
- C、IP anycast in IP anycast
- D、IP multicast in IP unicast
- E、IP multicast in IP multicast
- F、IP unicast in IP multicast
正确答案:E
答案解析:有
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