105關務3等資料通訊第三題 - 考試
By Adele
at 2016-06-18T22:00
at 2016-06-18T22:00
Table of Contents
B---Switch1---Router---Switch2---D
主機間知道對方ip,但ARP快取為空
求訊息交換流程
我的寫法如下:
1.B先以ARP詢問MAC
2.Router會回應自己的MAC(因為判斷來源目的不同網域且Routing Table有其ip網域資訊)
3.B以broadcast送出
4.Switch1依Router MAC位址轉傳Router
5.Router依Routing table向D的網域傳送
6.Switch2收到後依D的MAC轉傳給D(若不知道D的MAC則broadcast)
我想問
(1)這樣寫是否正確?
(2)Router是用broadcast還是unicast傳給D
--
主機間知道對方ip,但ARP快取為空
求訊息交換流程
我的寫法如下:
1.B先以ARP詢問MAC
2.Router會回應自己的MAC(因為判斷來源目的不同網域且Routing Table有其ip網域資訊)
3.B以broadcast送出
4.Switch1依Router MAC位址轉傳Router
5.Router依Routing table向D的網域傳送
6.Switch2收到後依D的MAC轉傳給D(若不知道D的MAC則broadcast)
我想問
(1)這樣寫是否正確?
(2)Router是用broadcast還是unicast傳給D
--
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考試
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