BGP 面试题与答案
问题 11. What is the purpose of the BGP UPDATE message?
The BGP UPDATE message is used to convey routing information between BGP peers. It includes information about new routes, withdrawn routes, and modifications to existing routes.
问题 12. Explain BGP route advertisement process.
BGP route advertisement involves a router informing its BGP peers about the routes it has learned. This process helps build and update the BGP routing tables across the network.
问题 13. What is the purpose of the BGP NLRI (Network Layer Reachability Information) field?
The BGP NLRI field carries information about the IP prefixes and their associated routing attributes that are being advertised in a BGP UPDATE message.
问题 14. What is BGP?
BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing and reachability information between different autonomous systems (ASes) on the Internet.
问题 15. Explain the difference between eBGP and iBGP.
eBGP (External BGP) is used between routers in different autonomous systems, while iBGP (Internal BGP) is used between routers within the same autonomous system.
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