Router 1 is configured for BGP as dual-homed on the Cisco network. Which three BGP attributes are carried in every BGP update on this router （both IBGP and EBGP）？（）
- A、origin
- B、router-ID
- C、AS-path
- D、local-preference
- E、next-hop
正确答案:A,C,E
答案解析:有
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