A.GPB B.TUB C.SCB D.ET-M4
A.當(dāng)配置Iu接口時 B.當(dāng)配置Nc接口時 C.當(dāng)配置A接口時 D.當(dāng)配置Mc接口時
A.origin B.AS-path C.next-hop D.multi-exit-disc