Question

Your ISP has assigned you the following public IP address 196.92.16.64/28. Your router's address is 196.92.16.65/28.

(a) How many hosts can you assign a public address?

(b) What will be the range of public addresses?

(c) If you have 200 hosts of your network. Explain how you would provide Internet Access to all the host concurrently using NAT.

(d) You have 26 hosts divided into 2 groups in your network. Explain how you would provide Internet access to all the host on alternate days using DHCP.

Answer 1

Network           Subnet           size             Range            Broadcast
196.92.16.64   255.255.255.240       14   196.92.16.65 to 196.92.16.78   196.92.16.79

Answer 1
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196.92.16.65 is assigned to router so remaining 13 public ips can be allocated.

Answer 2
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.

Answer 3
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we can create DHCP pool using server or router in whcich two different networks canbe merged and we will use class c address for NAT to avoid ip wastage as we need 200 hosts only and class C will give us 254 usable hosts.

eg 192.168.1.0 255.255.255.0

Answer 4
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suppose we have two NAT groups

Network           Subnet         size                Range              Broadcast
192.168.1.0   255.255.255.224       30   192.168.1.1 to 192.168.1.30      192.168.1.31
192.168.1.32   255.255.255.224   30   192.168.1.33 to 192.168.1.62   192.168.1.63

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