子网划分.docx

1、子网划分子网划分1、要求：现有一省厅，10个地市，每个地市有10个县，省厅有两栋楼，每栋楼各有250台主机，每个县有30台主机。先给一个172.16.0.0/16网段，要求使用可变长子网划分实现上面的要求给予合理的分配地址。2、网络拓扑：绘制出的大概网络拓扑图如图1所示：图1：网络拓扑图3、子网划分实施（1）省厅的分配的子网和IP地址如表1：表1：省厅的IP地址分配名称1名称2接口/网段IP地址和网段地址子网掩码省厅一栋楼网段172.16.1.0255.25.255.0二东楼网段172.16.2.0255.255.255.0地区1S0/0172.16.3.1255.255.255.252地区2

2、S0/1172.16.3.5255.255.255.252地区3S0/2172.16.3.9255.255.255.252地区4S0/3172.16.3.13255.255.255.252地区5S0/4172.16.3.17255.255.255.252地区6S0/5172.16.3.21255.255.255.252地区7S0/6172.16.3.25255.255.255.252地区8S0/7172.16.3.29255.255.255.252地区9S1/0172.16.3.33255.255.255.252地区10S1/1172.16.3.37255.255.255.252（2）地区1的

3、IP地址分配以及地区1下的县级IP网段的分配如表2和表3表2：地区1的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区1省厅S0/0172.16.3.2255.255.255.252县区1S0/1172.16.3.41255.255.255.252县区2S0/2172.16.3.45255.255.255.252县区3S0/3172.16.3.49255.255.255.252县区4S0/4172.16.3.53255.255.255.252县区5S0/5172.16.3.57255.255.255.252县区6S0/6172.16.3.61255.255.255.25

4、2县区7S0/7172.16.3.65255.255.255.252县区8S1/0172.16.3.69255.255.255.252县区9S1/1172.16.3.73255.255.255.252县区10S1/2172.16.3.77255.255.255.252表3：地区1下各个县级的网段划分县级名连接地接口/网段网段子网掩码县1地区1S0/0172.16.3.42255.255.255.252县1主机网段172.16.5.0255.255.255.224县2地区1S0/0172.16.3.46255.255.255.252县2主机网段172.16.5.32255.255.255.224

5、县3地区1S0/0172.16.3.50255.255.255.252县3主机网段172.16.5.64255.255.255.224县4地区1S0/0172.16.3.54255.255.255.252县4主机网段172.16.5.96255.255.255.224县5地区1S0/0172.16.3.58255.255.255.252县5主机网段172.16.5.128255.255.255.224县6地区1S0/0172.16.3.62255.255.255.252县6主机网段172.16.5.160255.255.255.224县7地区1S0/0172.16.3.66255.255.25

6、5.252县7主机网段172.16.5.172255.255.255.224县8地区1S0/0172.16.3.70255.255.255.252县1主机网段172.16.5.224255.255.255.224县9地区1S0/0172.16.3.74255.255.255.252县1主机网段172.16.6.0255.255.255.224县10地区1S0/0172.16.3.78255.255.255.252县1主机网段172.16.6.32255.255.255.224（3）地区2的IP地址分配以及地区2下的县级IP网段的分配如表4和表5表4：地区2的IP地址和县级网段IP的分配地区名连

7、接名称接口/网段IP地址子网掩码地区2省厅S0/0172.16.3.6255.255.255.252县区1S0/1172.16.3.81255.255.255.252县区2S0/2172.16.3.85255.255.255.252县区3S0/3172.16.3.89255.255.255.252县区4S0/4172.16.3.93255.255.255.252县区5S0/5172.16.3.97255.255.255.252县区6S0/6172.16.3.101255.255.255.252县区7S0/7172.16.3.105255.255.255.252县区8S1/0172.16.3.1

8、09255.255.255.252县区9S1/1172.16.3.113255.255.255.252县区10S1/2172.16.3.117255.255.255.252表5：地区2下各个县级的网段划分县级名连接地接口/网段网段子网掩码县1地区2S0/0172.16.3.82255.255.255.252县1主机网段172.16.6.64255.255.255.224县2地区2S0/0172.16.3.86255.255.255.252县1主机网段172.16.6.96255.255.255.224县3地区2S0/0172.16.3.90255.255.255.252县1主机网段172.16

9、.6.128255.255.255.224县4地区2S0/0172.16.3.94255.255.255.252县1主机网段172.16.6.160255.255.255.224县5地区2S0/0172.16.3.98255.255.255.252县1主机网段172.16.6.172255.255.255.224县6地区2S0/0172.16.3.102255.255.255.252县1主机网段172.16.6.224255.255.255.224县7地区2S0/0172.16.3.106255.255.255.252县1主机网段172.16.7.0255.255.255.224县8地区2S0

10、/0172.16.3.110255.255.255.252县1主机网段172.16.7.32255.255.255.224县9地区2S0/0172.16.3.114255.255.255.252县1主机网段172.16.7.64255.255.255.224县10地区2S0/0172.16.3.118255.255.255.252县1主机网段172.16.7.96255.255.255.224（4）地区3的IP地址分配以及地区3下的县级IP网段的分配如表6和表7表6：地区3的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区3省厅S0/0172.16.3.10255.25

11、5.255.252县区1S0/1172.16.3.121255.255.255.252县区2S0/2172.16.3.125255.255.255.252县区3S0/3172.16.3.129255.255.255.252县区4S0/4172.16.3.133255.255.255.252县区5S0/5172.16.3.137255.255.255.252县区6S0/6172.16.3.141255.255.255.252县区7S0/7172.16.3.145255.255.255.252县区8S1/0172.16.3.149255.255.255.252县区9S1/1172.16.3.153

12、255.255.255.252县区10S1/2172.16.3.157255.255.255.252表7：地区3下各个县级的网段划分县级名连接地接口/网段网段子网掩码县1地区3S0/0172.16.3.122255.255.255.252县1主机网段172.16.7.128255.255.255.224县2地区3S0/0172.16.3.126255.255.255.252县1主机网段172.16.7.160255.255.255.224县3地区3S0/0172.16.3.130255.255.255.252县1主机网段172.16.7.172255.255.255.224县4地区3S0/01

13、72.16.3.134255.255.255.252县1主机网段172.16.7.224255.255.255.224县5地区3S0/0172.16.3.138255.255.255.252县1主机网段172.16.8.0255.255.255.224县6地区3S0/0172.16.3.142255.255.255.252县1主机网段172.16.8.32255.255.255.224县7地区3S0/0172.16.3.146255.255.255.252县1主机网段172.16.8.64255.255.255.224县8地区3S0/0172.16.3.150255.255.255.252县1

14、主机网段172.16.8.96255.255.255.224县9地区3S0/0172.16.3.154255.255.255.252县1主机网段172.16.8.128255.255.255.224县10地区3S0/0172.16.3.158255.255.255.252县1主机网段172.16.8.160255.255.255.224（5）地区4的IP地址分配以及地区4下的县级IP网段的分配如表8和表9表8：地区4的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区4省厅S0/0172.16.3.14255.255.255.252县区1S0/1172.16.3.1612

15、55.255.255.252县区2S0/2172.16.3.165255.255.255.252县区3S0/3172.16.3.169255.255.255.252县区4S0/4172.16.3.173255.255.255.252县区5S0/5172.16.3.177255.255.255.252县区6S0/6172.16.3.181255.255.255.252县区7S0/7172.16.3.185255.255.255.252县区8S1/0172.16.3.189255.255.255.252县区9S1/1172.16.3.193255.255.255.252县区10S1/2172.16

16、.3.197255.255.255.252表9：地区4下各个县级的网段划分县级名连接地接口/网段网段子网掩码县1地区4S0/0172.16.3.162255.255.255.252县1主机网段172.16.8.192255.255.255.224县2地区4S0/0172.16.3.166255.255.255.252县1主机网段172.16.8.224255.255.255.224县3地区4S0/0172.16.3.170255.255.255.252县1主机网段172.16.9.0255.255.255.224县4地区4S0/0172.16.3.174255.255.255.252县1主机网

17、段172.16.9.32255.255.255.224县5地区4S0/0172.16.3.178255.255.255.252县1主机网段172.16.9.64255.255.255.224县6地区4S0/0172.16.3.182255.255.255.252县1主机网段172.16.9.96255.255.255.224县7地区4S0/0172.16.3.186255.255.255.252县1主机网段172.16.9.128255.255.255.224县8地区4S0/0172.16.3.190255.255.255.252县1主机网段172.16.9.160255.255.255.22

18、4县9地区4S0/0172.16.3.194255.255.255.252县1主机网段172.16.9.192255.255.255.224县10地区4S0/0172.16.3.198255.255.255.252县1主机网段172.16.9.224255.255.255.224（6）地区5的IP地址分配以及地区5下的县级IP网段的分配如表10和表11表10：地区5的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区5省厅S0/0172.16.3.18255.255.255.252县区1S0/1172.16.3.201255.255.255.252县区2S0/2172.1

19、6.3.205255.255.255.252县区3S0/3172.16.3.209255.255.255.252县区4S0/4172.16.3.213255.255.255.252县区5S0/5172.16.3.217255.255.255.252县区6S0/6172.16.3.221255.255.255.252县区7S0/7172.16.3.225255.255.255.252县区8S1/0172.16.3.229255.255.255.252县区9S1/1172.16.3.233255.255.255.252县区10S1/2172.16.3.237255.255.255.252表11：地

20、区5下各个县级的网段划分县级名连接地接口/网段网段子网掩码县1地区5S0/0172.16.3.202255.255.255.252县1主机网段172.16.10.0255.255.255.224县2地区5S0/0172.16.3.206255.255.255.252县1主机网段172.16.10.32255.255.255.224县3地区5S0/0172.16.3.210255.255.255.252县1主机网段172.16.10.64255.255.255.224县4地区5S0/0172.16.3.214255.255.255.252县1主机网段172.16.10.96255.255.255

21、.224县5地区5S0/0172.16.3.218255.255.255.252县1主机网段172.16.10.128255.255.255.224县6地区5S0/0172.16.3.222255.255.255.252县1主机网段172.16.10.160255.255.255.224县7地区5S0/0172.16.3.226255.255.255.252县1主机网段172.16.10.192255.255.255.224县8地区5S0/0172.16.3.230255.255.255.252县1主机网段172.16.10.224255.255.255.224县9地区5S0/0172.16.

22、3.234255.255.255.252县1主机网段172.16.11.0255.255.255.224县10地区5S0/0172.16.3.238255.255.255.252县1主机网段172.16.11.32255.255.255.224（7）地区6的IP地址分配以及地区6下的县级IP网段的分配如表12和表13表12：地区6的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区6省厅S0/0172.16.3.24255.255.255.252县区1S0/1172.16.3.241255.255.255.252县区2S0/2172.16.3.245255.255.255

23、.252县区3S0/3172.16.3.249255.255.255.252县区4S0/4172.16.3.253255.255.255.252县区5S0/5172.16.4.1255.255.255.252县区6S0/6172.16.4.5255.255.255.252县区7S0/7172.16.4.9255.255.255.252县区8S1/0172.16.4.13255.255.255.252县区9S1/1172.16.4.17255.255.255.252县区10S1/2172.16.4.21255.255.255.252表13：地区6下各个县级的网段划分县级名连接地接口/网段网段子网

24、掩码县1地区6S0/0172.16.3.242255.255.255.252县1主机网段172.16.11.64255.255.255.224县2地区6S0/0172.16.3.246255.255.255.252县1主机网段172.16.11.96255.255.255.224县3地区6S0/0172.16.3.250255.255.255.252县1主机网段172.16.11.128255.255.255.224县4地区6S0/0172.16.3.252255.255.255.252县1主机网段172.16.11.160255.255.255.224县5地区6S0/0172.16.4.22

25、55.255.255.252县1主机网段172.16.11.192255.255.255.224县6地区6S0/0172.16.4.6255.255.255.252县1主机网段172.16.11.224255.255.255.224县7地区6S0/0172.16.4.10255.255.255.252县1主机网段172.16.12.0255.255.255.224县8地区6S0/0172.16.4.14255.255.255.252县1主机网段172.16.12.32255.255.255.224县9地区6S0/0172.16.4.18255.255.255.252县1主机网段172.16.1

26、2.64255.255.255.224县10地区6S0/0172.16.4.22255.255.255.252县1主机网段172.16.12.96255.255.255.224（8）地区7的IP地址分配以及地区7下的县级IP网段的分配如表14和表15表14：地区7的IP地址和县级网段IP的分配地区名连接名称接口/网段IP地址子网掩码地区7省厅S0/0172.16.3.28255.255.255.252县区1S0/1172.16.4.25255.255.255.252县区2S0/2172.16.4.29255.255.255.252县区3S0/3172.16.4.33255.255.255.252县区4S0/4172.16.4.37255.255.255.252县区5S0/5172.16.4.41255.255.255.252县区6S0/6