1、I P 地 址,*,IP 地 址,255,255,255,255,Maximum,Network,Host,32 bits,IP 地 址,255,255,255,255,Maximum,Network,Host,128 64 32 16 8 4 2 1,11111111,11111111,11111111,11111111,Binary,32 bits,1,8,9,16,17,24,25,32,128 64 32 16 8 4 2 1,128 64 32 16 8 4 2 1,128 64 32 16 8 4 2 1,IP 地 址,255,255,255,255,Maximum,Network
2、,Host,128 64 32 16 8 4 2 1,11111111,11111111,11111111,11111111,10101100,00010000,01111010,11001100,Binary,32 bits,172,16,122,204,Example Decimal,Example Binary,1,8,9,16,17,24,25,32,128 64 32 16 8 4 2 1,128 64 32 16 8 4 2 1,128 64 32 16 8 4 2 1,Class A: Class B: Class C:,IP 地址分类,8 bits,8 bits,8 bits,
3、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,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,Bits:,8,9,16,17,24,25,32,特殊IP地址,本地回环地址：127.0.0.1
4、 - 私有IP地址：A:10.0.0.010.255.255.255B:172.16.0.0172.31.255.255C:192.168.0.0-192.168.255.255,*,主机地址,172.16.2.1,172.16.3.10,172.16.12.12,10.1.1.1,10.250.8.11,10.180.30.118,E1,172.16,12,12,网络,主机,.,.,网络,端口,172.16.0.0 10.0.0.0,E0 E1,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 0,10101100,0001000
5、0,00000000,00000000,16 15 14 13 12 11 10 9,8 7 6 5 4 3 2 1,网络,主机,00000000,00000001,11111111,11111111,11111111,11111110,.,.,00000000,00000011,11111101,1,2,3,65534,65535,65536,-,.,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,IP地址分类练习
6、（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,A,B,C,C,B,10.0.0.0,128.63.0.0,201.222.5.0,192.6.141.0,130.113.0.0,0.2.1.1,0.0.2.100,0.0.0.64,0.0.0.2,0.0.64.16,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
7、,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,172.16.2.200,172.16.2.2,172.16.2.160,172.16.2.1,172.16.3.5,172.16.3.100,172.16.3.150,E0,172.16,网络,网络,端口,172.16.0.0 172.16.0.0,E0 E1,新路由表,2,160,主机,.,.,172.16.3.1,E1,子网地址,172.16.2.200,172.16.2.2,172.16.2.160,172.16.2.1,172.16.3.5,172.16.3.100,1
8、72.16.3.150,172.16.3.1,E0,E1,172.16,2,160,网络,主机,.,.,网络,端口,172.16.2.0 172.16.3.0,E0 E1,新路由表,子网,子网掩码,255,255,0,0,IP Address,Default Subnet Mask,8-bit Subnet Mask,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,1 0 0 0 0 0
9、0 0 = 128 1 1 0 0 0 0 0 0 = 192 1 1 1 0 0 0 0 0 = 224 1 1 1 1 0 0 0 0 = 240 1 1 1 1 1 0 0 0 = 248 1 1 1 1 1 1 0 0 = 252 1 1 1 1 1 1 1 0 = 254 1 1 1 1 1 1 1 1 = 255,128 64 32 16 8 4 2 1,16,网络,主机,172,0,0,10101100,11111111,10101100,00010000,11111111,00010000,00000000,00000000,10100000,00000000,00000000
10、,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,172.16.2.160,255.255.255.0,172,2,0,10101100,11111111,10101100,00010000,11111111,00010000,11111111,00000010,10100000,00000000,00000000,00000010,子网,网络号,128 192 224 240 248 252 254 255,利用子网掩码划分子网,网络,主机,172.16.2.
11、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,网络号,128 192 224 240 248 252 254 255,128 192 224 240 248 252 254 255,子网掩码练习,地址,子网掩码,类别,子网,172.16.2.10,10.6.24.20,10.30.36.12,255.255.255.0,255.25
12、5.240.0,255.255.255.0,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),255.255.255.255 (Local network broadcast),X,172.16.255
13、.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,Broadcast,Last,First,172.16.2.160,255.255.255.19
14、2,1,2,16,172,2,160,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
15、,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,172.16.2.160,255.255.255.192,1,2,3,4,5,6,16,172,2,160,地址汇总示例,10101100,11111111,00010000,11111111,111111
16、11,10100000,11000000,10000000,00000010,10111111,10000001,Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,1,2,3,4,5,6,16,172,2,160,地址汇总示例,10101100,11111111,00010000,11111111,11111111,10100000,11000000,10000000,00000010,10111111,10000001,10111110,Host,Mask,Subnet,Broadcast,Last,Firs
17、t,172.16.2.160,255.255.255.192,1,2,3,4,5,6,7,16,172,2,160,地址汇总示例,10101100,11111111,10101100,00010000,11111111,00010000,11111111,00000010,10100000,11000000,10000000,00000010,10101100,00010000,00000010,10111111,10101100,00010000,00000010,10000001,10101100,00010000,00000010,10111110,Host,Mask,Subnet,Br
18、oadcast,Last,First,172.16.2.160,255.255.255.192,1,2,3,4,5,6,7,8,16,172,2,160,地址汇总示例,10101100,11111111,10101100,00010000,11111111,00010000,11111111,00000010,10100000,11000000,10000000,00000010,10101100,00010000,00000010,10111111,10101100,00010000,00000010,10000001,10101100,00010000,00000010,10111110,
19、Host,Mask,Subnet,Broadcast,Last,First,172.16.2.160,255.255.255.192,172.16.2.128,172.16.2.191,172.16.2.129,172.16.2.190,1,2,3,4,5,6,7,8,9,16,172,2,160,IP Host Address: 172.16.2.121 Subnet Mask: 255.255.255.0,Subnet Address = 172.16.2.0 Host Addresses = 172.16.2.1172.16.2.254 Broadcast Address = 172.1
20、6.2.255 Eight bits of subnetting,Network,Subnet,Host,10101100,00010000,00000010,11111111,172.16.2.121:,255.255.255.0:,10101100,11111111,Subnet:,10101100,00010000,00010000,11111111,00000010,00000010,11111111,01111001,00000000,00000000,B类地址子网规划,Broadcast:,Network,11111000,IP Host Address: 192.168.5.12
21、1 Subnet Mask: 255.255.255.248,Network,Subnet,Host,192.168.5.121:,11000000,11111111,Subnet:,11000000,10101000,10101000,11111111,00000101,00000101,11111111,01111001,01111000,255.255.255.248:,C类地址子网规划,Subnet Address = 192.168.5.120 Host Addresses = 192.168.5.121192.168.5.126 Broadcast Address = 192.16
22、8.5.127 Five Bits of Subnetting,Broadcast:,Network,Network,11000000,10101000,00000101,01111111,*,广播地址练习,地址,类别,子网,广播地址,201.222.10.60,255.255.255.248,子网掩码,15.16.193.6,255.255.248.0,128.16.32.13,255.255.255.252,153.50.6.27,255.255.255.128,广播地址练习 （答案）,153.50.6.127,地址,类别,子网,广播地址,201.222.10.60,255.255.255.248,C,201.222.10.63,201.222.10.56,子网掩码,15.16.193.6,255.255.248.0,A,15.16.199.255,15.16.192.0,128.16.32.13,255.255.255.252,B,128.16.32.15,128.16.32.12,153.50.6.27,255.255.255.128,B,153.50.6.0,
