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1、IP地址划分,私有地址,私有地址可以采用以下几种100011025525525417213011723225525419216801192168255254,特殊情况：回路、广播、网络地址,IP地址网络地址不能全部设置为“1”或“0”IP地址子网地址不能全部设置为“1”或“0”IP地址主机地址不能全部设置为“1”或“0”网络地址：127.*.*.*不能作为网络地址,IP 地 址,255,255,255,255,DottedDecimal,Maximum,Network,Host,32 bits,IP 地 址,255,255,255,255,DottedDecimal,Maximum,Netwo
2、rk,Host,1286432168421,11111111,11111111,11111111,11111111,Binary,32 bits,1,8,9,16,17,24,25,32,1286432168421,1286432168421,1286432168421,IP 地 址,255,255,255,255,十进制,Maximum,Network,Host,1286432168421,11111111,11111111,11111111,11111111,10101100,00010000,01111010,11001100,二进制,32 bits,172,16,122,204,Exa
3、mpleDecimal,ExampleBinary,1,8,9,16,17,24,25,32,1286432168421,1286432168421,1286432168421,Class A: Class B: Class C: Class D: 多址地址 Class E: 科研用,IP 地址分类,8 bits,8 bits,8 bits,8 bits,IP 地址分类,1,Class A:,Bits:,0NNNNNNN,Host,Host,Host,8,9,16,17,24,25,32,Range (1-126),1,Class B:,Bits:,10NNNNNN,Network,Host,
4、Host,8,9,16,17,24,25,32,Range (128-191),1,Class C:,Bits:,110NNNNN,Network,Network,Host,8,9,16,17,24,25,32,Range (192-223),1,Class D:,Bits:,1110MMMM,Multicast Group,Multicast Group,Multicast Group,8,9,16,17,24,25,32,Range (224-239),主机地址,172.16.2.1,172.16.3.10,172.16.12.12,10.1.1.1,10.250.8.11,10.180.
5、30.118,E1,172.16,12,12,网络,主机,.,.,网络,端口,172.16.0.010.0.0.0,E0E1,路由表,172.16.2.1,10.6.24.2,E0,11111111,计算可用的主机地址,172 16 0 0,10101100,00010000,00000000,00000000,16151413121110 9,87654321,网络,主机,00000000,00000001,11111111,11111111,11111111,11111110,.,.,00000000,00000011,11111101,1,2,3,65534,65535,65536,-,
6、.,2,65534,N,2N-2 = 216-2 = 65534,IP地址分类练习,地址,类别,网络,主机,10.2.1.1,128.63.2.100,201.222.5.64,192.6.141.2,130.113.64.16,256.241.201.10,IP地址分类练习（答案）,地址,类别,网络,主机,10.2.1.1,128.63.2.100,201.222.5.64,192.6.141.2,130.113.64.16,256.241.201.10,A,B,C,C,B,Nonexistent,10.0.0.0,128.63.0.0,201.222.5.0,192.6.141.0,130
7、.113.0.0,0.2.1.1,0.0.2.100,0.0.0.64,0.0.0.2,0.0.64.16,网络 172.16.0.0,172.16.0.0,不设子网的地址,172.16.0.1,172.16.0.2,172.16.0.3,.,172.16.255.253,172.16.255.254,网络 172.16.0.0,设置子网的地址,172.16.1.0,172.16.2.0,172.16.3.0,172.16.4.0,子网地址,172.16.2.200,172.16.2.2,172.16.2.160,172.16.2.1,172.16.3.5,172.16.3.100,172.1
8、6.3.150,E0,172.16,网络,网络,端口,172.16.0.0172.16.0.0,E0E1,新路由表,2,160,主机,.,.,172.16.3.1,E1,子网地址,172.16.2.200,172.16.2.2,172.16.2.160,172.16.2.1,172.16.3.5,172.16.3.100,172.16.3.150,172.16.3.1,E0,E1,172.16,2,160,网络,主机,.,.,网络,端口,172.16.2.0172.16.3.0,E0E1,新路由表,子网,子网掩码,255,255,0,0,IPAddress,DefaultSubnetMask,
9、8-bitSubnetMask,Network,Host,Network,Host,Network,Subnet,Host,“/16” 表示子网掩码有16位.,“/24”表示子网掩码有24位.,11111111,11111111,00000000,00000000,十进制和二进制的转换,10000000=12811000000=19211100000=22411110000=24011111000=24811111100=25211111110=25411111111=255,128 6432168421,16,网络,主机,172,0,0,10101100,11111111,10101100,
10、00010000,11111111,00010000,00000000,00000000,10100000,00000000,00000000,缺省情况下子网未划分,00000010,缺省情况下的子网掩码,172.16.2.160,255.255.0.0,网络号,扩展了8位地址的网络,利用子网掩码划分子网,16,网络,主机,172.16.2.160,255.255.255.0,172,2,0,10101100,11111111,10101100,00010000,11111111,00010000,11111111,00000010,10100000,00000000,00000000,000
11、00010,子网,网络号,128192224240248252254255,利用子网掩码划分子网,网络,主机,172.16.2.160,255.255.255.192,10101100,11111111,10101100,00010000,11111111,00010000,11111111,00000010,10100000,11000000,10000000,00000010,子网,扩展了10位地址的网络,16,172,2,128,网络好,128192224240248252254255,128192224240248252254255,子网掩码练习,地址,子网掩码,类别,子网,172.1
12、6.2.10,10.6.24.20,10.30.36.12,255.255.255.0,255.255.240.0,255.255.255.0,子网掩码练习（答案）,地址,子网掩码,类别,子网,172.16.2.10,10.6.24.20,10.30.36.12,255.255.255.0,255.255.240.0,255.255.255.0,B,A,A,172.16.2.0,10.6.16.0,10.30.36.0,广播地址,172.16.1.0,172.16.2.0,172.16.3.0,172.16.4.0,172.16.3.255(Directed broadcast),255.25
13、5.255.255(Local network broadcast),X,172.16.255.255(All subnets broadcast),地址汇总示例,16,172,2,160,10101100,00010000,10100000,00000010,Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,4,1,地址汇总示例,10101100,11111111,00010000,11111111,11111111,10100000,11000000,00000010,Host,Mask,Subnet,Br
14、oadcast,Last,First,172.16.2.160,255.255.255.192,1,2,16,172,2,160,地址汇总示例,10101100,11111111,00010000,11111111,11111111,10100000,11000000,00000010,Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,1,2,3,7,16,172,2,160,地址汇总示例,10101100,11111111,00010000,11111111,11111111,10100000,11000000,10000000,00000010,Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,1,2,3,4,16,172,2,160,地址汇总示例,10101100,11111111,00010000,11111111,11111111,10100000,11000000,10000000,00000010,10111111,Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,
