計算機(jī)網(wǎng)絡(luò)雙語課件第4章答案(編輯修改稿)
2024-11-14 20:18 本頁面
【文章內(nèi)容簡介】 equal size subs from the block of addresses of the form 22 = 4 subs P449 Problem 15 ? Sub A: (28 = 256 addresses) Sub B: (27 = 128 addresses8=120) through through Sub C: (27 = 128 addresses) Sub D: (2 addresses) Sub E: (2 addresses) Sub F: (4 addresses) To simplify the solution, assume that no datagrams have router interfaces as ultimate destinations. Also, label D, E, F for the upper right, bottom, and upperleft interior subs, respectively. For the second schedule, we have: Router 1 Longest Prefix Match Outgoing Interface 11010110 01100001 11111111 Sub A 11010110 01100001 11111110 0000000 Sub D 11010110 01100001 11111110 000001 Sub F Router 2 Longest Prefix Match Outgoing Interface 11010110 01100001 11111111 000001 Sub F 11010110 01100001 11111110 0000001 Sub E 11010110 01100001 11111110 1 Sub C Router 3Longest Prefix Match Outgoing Interface 11010110 01100001 11111111 0000000 Sub D 11010110
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