单项选择题
A.当配置Iu接口时 B.当配置Nc接口时 C.当配置A接口时 D.当配置Mc接口时
A.origin B.AS-path C.next-hop D.multi-exit-disc
A.LSA type 1 B.LSA type 2 C.LSA type 3/4 D.LSA type 5