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发表于 2016-12-13 13:13:11
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liubin0521 发表于 2016-12-12 09:01' p4 U6 N, S! D1 W3 `
先谢过,并且再请解答一下小疑问。0 i' V6 k; R0 o+ f6 g' }
三层报文里的IP优先级字段有8个bit:+ S2 A B! `; V, k4 [! Y
P2 P1 P0 T3 T2 T1 T0 CU % @0 w' W) X* i# v
Pr 是IP协议端口号,不是优先级 (Priority)。: `1 E' S. N3 j/ |
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请参考命令参考:http://www.cisco.com/en/US/docs/ ... A-BCD9-58B13BF56952
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8 `% }$ I4 I9 m n Pr0 b U) E# h; e9 q S9 k
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+ B% R6 c# `/ i9 {IP protocol "well-known" port number, displayed in hexadecimal format. (Refer to http://www.iana.org , Protocol Assignment Number Services , for the latest RFC values.) |
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2016-12-13 13:13:11
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