网络部分教案子网划分省公共课一等奖全国赛课获奖课件.pptx

子网和超网子网和超网 微软认证讲师：韩立刚微软认证讲师：韩立刚MSN:第1页划分子网划分子网Internet192.168.0.1 255.255.255.0192.168.0.0 255.255.255.0192.168.0.0 255.255.255.0Internet192.168.0.1 255.255.255.128192.168.0.129 255.255.255.128192.168.0.0 255.255.255.128192.168.0.0 255.255.255.128192.168.0.128 255.255.255.128192.168.0.128 255.255.255.128192.168.0.130255.255.255.128192.168.0.129192.168.0.2255.255.255.0192.168.0.1第2页等分成两个子网等分成两个子网19216800111111111111111111111111111111110000000255255255128192168010000001111111111111111111111111100000002552552551282551280第3页等分成四个子网等分成四个子网25512801921680000000001111111111111111111111111100000025525525519219216800100000011111111111111111111111111000000255255255192192168010000000111111111111111111111111110000002552552551921921680110000001111111111111111111111111100000025525525519264192第4页等分成八个子网等分成八个子网255128019216800000000064192329616022419216800100000011111111111111111111111111100000192168000100000192168001100000192168010000000192168010100000192168011000000192168011100000255255255224第5页变长子网掩码变长子网掩码1921680001000002551280643211111111111111111111111110000000192168010000000192168001000001111111111111111111111111100000011111111111111111111111111100000第6页变长子网掩码变长子网掩码第7页超网超网Internet192.168.0.1 255.255.255.0192.168.0.0 255.255.255.0192.168.0.0 255.255.255.0192.168.1.2255.255.255.0192.168.1.1192.168.1.1 255.255.255.0192.168.1.0 255.255.255.0192.168.1.0 255.255.255.0192.168.0.2255.255.255.0192.168.0.1第8页超网超网19216800000000000000001921680000000100000000192.168.0.0 255.255.255.0192.168.1.0 255.255.255.0合并四个网段合并四个网段19216800000000000000001111111111111111111111100000000019216800000001000000002552552540192.168.0.0 255.255.255.0192.168.1.0 255.255.255.0合并两个网段合并两个网段192.168.2.0 255.255.255.0192.168.3.0 255.255.255.011111111111111111111110000000000255255252019216800000010000000001921680000001100000000第9页超网超网Internet192.168.0.1 255.255.254.0192.168.0.0 255.255.254.0192.168.0.0 255.255.254.0192.168.1.2255.255.254.0192.168.0.1192.168.0.2255.255.254.0192.168.0.1第10页总结总结等分子网等分子网变长子网变长子网超网超网第11页