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IP Addressing & Subnetting!!!. Look at me!!! Know me!!!

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Presentation on theme: "IP Addressing & Subnetting!!!. Look at me!!! Know me!!!"— Presentation transcript:

1 IP Addressing & Subnetting!!!

2 Look at me!!!

3

4 Know me!!!

5 Memorize me!!! 12616,3842,097,152 16,777, ,

6 Let’s Play!! IP Address: Class: Binary Equivalent: Subnet Mask:

7 Let’s Play!! IP Address: /24 Class:C Binary Equivalent: Subnet Mask:

8 Practice-Binary:  Translate these addresses into binary:     What classes do they belong to?

9 Practice- Binary:  Translate these addresses into binary:  :   :   :   What classes do they belong to?  C, C, A

10 Magic Number:  In binary, which bit of the subnet mask (left to right) switches from 1’s to 0’s?  Ex: /24:   Now you try:  /28

11 Magic Number:  Now you try:  /28  

12 Magic Number:  Why is this important?  /28    Subtract the value of that octet from 256.  =240  = 16  Calculate the multiples of your magic number (16) from 0 up to 256 00  16  32  48  64…etc

13 Find the multiple of the magic number that is closest to but no greater than the IP address’s interesting octet value  0  16  32  48  64  80  96  112  128  144  160  176  192  208  224  240  *interesting octet is the octet in which the 1’s change to 0’s

14 Find the multiple of the magic number that is closest to but no greater than the IP address’s interesting octet value  0  16  32  48  64  80  96  112  128  144  160  176  192  208  224  240  *interesting octet is the octet in which the 1’s change to 0’s

15 Practice-Subnetting:  You have been given the IP address /24 You require at least 15 subnets. List:  The required subnet mask  The number of total subnets  The number of available hosts per subnet  The first four subnet addresses  The valid range of host addresses for the first four subnets  The Broadcast address for each subnet

16 Practice-Subnetting:  You have been given the IP address /24 You require at least 15 subnets. List:  The required subnet mask: (/28)  The number of total subnets: 16  The number of available hosts per subnet: 14  The first four subnet addresses:      The valid range of host addresses for the first four subnets      The Broadcast address for each subnet    

17  You have been given the IP address /24 You require at least 3 subnets. List:  The required subnet mask  The number of total subnets  The number of available hosts per subnet  The first four subnet addresses  The valid range of host addresses for the first four subnets  The Broadcast address for each subnet

18  You have been given the IP address /24 You require at least 3 subnets. List:  The required subnet mask: /26:  The number of total subnets: 4  The number of available hosts per subnet: 62  The first four subnet addresses:      The valid range of host addresses for the first four subnets      The Broadcast address for each subnet    

19  You have been given the IP address /29 You require at least 6 subnets. List:  The required subnet mask  The number of total subnets  The number of available hosts per subnet  The first four subnet addresses  The valid range of host addresses for the first four subnets  The Broadcast address for each subnet

20  You have been given the IP address /21 You require at least 6 subnets.  What subnet mask should you use?  You have a host at the address of that is experiencing issues. In order to troubleshoot, what is the address of that subnet?

21  You have been given the IP address /21 You require at least 6 subnets.  What subnet mask should you use?  /21:  You have a host at the address of that is experiencing issues. In order to troubleshoot, what is the address of that subnet? 

22  /26  You need to have no more than 25 hosts in each subnet.  Go.

23  Subnets:    Ranges:  – 222  – 254  Broadcast:  


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