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IP Addressing and Subnets Use an IP calculator, such as the one available at http://iodies.de/ipcalc to complete the following exercises. Note: There are many online
IP Addressing and Subnets Use an IP calculator, such as the one available at http://iodies.de/ipcalc to complete the following exercises. Note: There are many online IP calculators. Some good, some bad. YMMV. The one at the link above has been around a long time and has the functionality needed to complete the problems included below. If you use a different one you are on your own - make sure you understand how it works. Give all IP addresses in dotted decimal. 1. Given IP address 126.61.18.3 and petmask 255.255.e.e a) Write the network address for the subnet that includes this IP using CIDR notation. b) What is the maximum number of hosts that could be in this subnet? 2. Given IP address 102.123.70.109 and petmask 255.255.255.19:2 a) What is the host part of this IP address (write the bits only). b) Write the network address for the subnet using CIDR notation. C) What is the maximum number of hosts that could be in this network? 3. Given a host with IP addresses 134.10.23.50/21 a) s a host with IP address 134.19.24.10/21 b) part of the same subnet? Is a host with IP address 134.10.16.6/21 part of the same subnet? Divide the 199.15.64.0/18 address block into four subnets. a) 4. List the network addresses for each of the four subnets. b) How many hosts can be in each subnet? C) If you add up the total number of hosts for all the subnets it is less than the total hosts possible in the original network. Why is this the case? d) List the range of host IP addresses for the first subnet (lowest IP addresses). 5. Consider the address block 15.7.19.0/23. The goal is to divide the available address range into the maximum number of subnets while having enough addresses in each subnet to accommodate the indicated number of hosts. For each of the following, Indicate the petnask to accomplish this and i indicate how many subnets are possible a) At least 50 hosts per subnet b) At least 100 hosts per subnet IP Addressing and Subnets Use an IP calculator, such as the one available at http://iodies.de/ipcalc to complete the following exercises. Note: There are many online IP calculators. Some good, some bad. YMMV. The one at the link above has been around a long time and has the functionality needed to complete the problems included below. If you use a different one you are on your own - make sure you understand how it works. Give all IP addresses in dotted decimal. 1. Given IP address 126.61.18.3 and petmask 255.255.e.e a) Write the network address for the subnet that includes this IP using CIDR notation. b) What is the maximum number of hosts that could be in this subnet? 2. Given IP address 102.123.70.109 and petmask 255.255.255.19:2 a) What is the host part of this IP address (write the bits only). b) Write the network address for the subnet using CIDR notation. C) What is the maximum number of hosts that could be in this network? 3. Given a host with IP addresses 134.10.23.50/21 a) s a host with IP address 134.19.24.10/21 b) part of the same subnet? Is a host with IP address 134.10.16.6/21 part of the same subnet? Divide the 199.15.64.0/18 address block into four subnets. a) 4. List the network addresses for each of the four subnets. b) How many hosts can be in each subnet? C) If you add up the total number of hosts for all the subnets it is less than the total hosts possible in the original network. Why is this the case? d) List the range of host IP addresses for the first subnet (lowest IP addresses). 5. Consider the address block 15.7.19.0/23. The goal is to divide the available address range into the maximum number of subnets while having enough addresses in each subnet to accommodate the indicated number of hosts. For each of the following, Indicate the petnask to accomplish this and i indicate how many subnets are possible a) At least 50 hosts per subnet b) At least 100 hosts per subnet
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