IP Addressing & Subnetting!!!. Look at me!!! Know me!!!
23
IP Addressing & Subnetting!!!
-
Upload
sarahi-ramsell -
Category
Documents
-
view
222 -
download
2
Transcript of IP Addressing & Subnetting!!!. Look at me!!! Know me!!!
IP Addressing& Subnetting!!!
Look at me!!!
Know me!!!
Memorize me!!!
126 16,384 2,097,152
16,777,214
65,534 254
Let’s Play!!
IP Address: 192.168.1.10
Class:
Binary Equivalent:
Subnet Mask:
Let’s Play!!
IP Address: 192.168.1.10 /24
Class: C
Binary Equivalent: 11000000.10101000.00000001.00001010
Subnet Mask: 255.255.255.0
Practice-Binary:
Translate these addresses into binary:
213.45.37.123
192.167.24.64
17.32.193.250
What classes do they belong to?
Practice- Binary:
Translate these addresses into binary:
213.45.37.123: 11010101.00101101.00100101.01111011
192.167.24.64: 11000000.10100111.00011000.01000000
17.32.193.250: 00010001.00100000.11000001.11111010
What classes do they belong to?
C, C, A
Magic Number:
In binary, which bit of the subnet mask (left to right) switches from 1’s to 0’s?
Ex: /24: 255.255.255.0 11111111.11111111.11111111.00000000
Now you try:
/28
Magic Number:
Now you try:
/28
255.255.255.240
11111111.11111111.11111111.11110000
Magic Number:
Why is this important? /28
255.255.255.240
11111111.11111111.11111111.11110000
Subtract the value of that octet from 256. 11110000=240
256-240= 16
Calculate the multiples of your magic number (16) from 0 up to 256 0
16
32
48
64…etc
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
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
Practice-Subnetting:
You have been given the IP address 213.45.37.0 /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
Practice-Subnetting:
You have been given the IP address 213.45.37.0 /24 You require at least 15 subnets. List:
The required subnet mask: 255.255.255.240 (/28)
The number of total subnets: 16
The number of available hosts per subnet: 14
The first four subnet addresses: 213.45.37.0
213.45.37.16
213.45.37.32
213.45.37.48
The valid range of host addresses for the first four subnets 213.45.37.1 - 14
213.45.37.17 - 30
213.45.37.33 - 46
213.45.37.49 - 62
The Broadcast address for each subnet 213.45.37.15
213.45.37.31
213.45.37.47
213.45.37.63
You have been given the IP address 200.100.50.0 /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
You have been given the IP address 200.100.50.0 /24 You require at least 3 subnets. List:
The required subnet mask: /26: 255.255.255.192
The number of total subnets: 4
The number of available hosts per subnet: 62
The first four subnet addresses: 200.100.50.0
200.100.50.64
200.100.50.128
200.100.50.192
The valid range of host addresses for the first four subnets 200.100.50.1-62
200.100.50.65-126
200.100.50.129-190
200.100.50.193-254
The Broadcast address for each subnet 200.100.50.63
200.100.50.127
200.100.50.191
200.100.50.255
You have been given the IP address 10.1.5.10 /29You 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
You have been given the IP address 10.1.5.10 /21You require at least 6 subnets.
What subnet mask should you use?
You have a host at the address of 10.1.5.120 that is experiencing issues. In order to troubleshoot, what is the address of that subnet?
You have been given the IP address 10.1.5.10 /21You require at least 6 subnets.
What subnet mask should you use? /21: 255.255.248.0
You have a host at the address of 10.1.5.120 that is experiencing issues. In order to troubleshoot, what is the address of that subnet? 10.1.5.0
10.5.10.200 /26
You need to have no more than 25 hosts in each subnet.
Go.
Subnets: 10.5.10.192
10.5.10.224
Ranges: 10.5.10.193 – 222
10.5.10.225 – 254
Broadcast: 10.5.10.223
10.5.10.255
