问答题
简答题 What field in IP packet is prevent the packet from a route to router forever?
【参考答案】
TTL (time to live).
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whatisanycastaddress(Ipv6)?
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一个路由表,有3条,分别从rip,ospf,eigrp学过来的,到达相同目的,问路由选择哪条走?
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