Microsoft Azure Fundamentals 05
IPV4 :-
32 bit address - 2*32 ip’s will get
255 —-> 0 to 255
10.10.20.0/24
32 - 24 = 8 = 2*8 = 2 2 2 2 2 2 2 2 = 256 ip’s
10.10.20.0
10.10.20.1
10.10.20.2
10.10.20.3
10.10.20.255
—--
10.10.20.0 /24
4 octet = each octet will be divided into 8 bit
10011010.10010101.10101010.0000000
Network portion :
Host portion :
====================================
Example 2 :-
172.168.20.0/26
32 - 26 = 6 = 2^6 = 2 2 2 2 2 2 = 64 ip’s
172.168.20.0
172.168.20.1
172.168.20.2
172.168.20.63
Subnet : dividing your vnet into small portions will call it as a Subnet
Scenario:
Create a Network with 3 subnets :-
192.168.50.0/24 -
How many number of ip’s :
32 - 24 = 8 = 2^8 = 2 2 2 2 2 2 2 2 = 256 ip’s
Subnet 1 : 64 ips
192.168.50.0/26
32 - 26 = 6 = 2^6 = 2 2 2 2 2 2 = 64 ip’s
192.168.50.0
192.168.50.1
192.168.50.2
192.168.50.3
192.168.50.63
Subnet2 :
128 ip’s
192.168.50.64/26
32-25 = 7 = 2^7 = 2 2 2 2 2 2 2 = 128 ip’s
192.168.50.64
192.168.50.65
192.168.50.191
How many ip’s are left in this network :-
Total no of ip : 256 ip
Subnet1 : 64
Subnet2 : 128
Ips used : 192
Ip’s left : 64
Subnet 3 : 64 ip’s
192.168.50.192/26
32 - 26 = 2^6 = 2 2 2 2 2 2 = 64 ip’s
192.168.50.192
192.168.50.193
192.168.50.194
192.168.50.255
Scenario 2 :- 1024 ip’s with 4 subnets
Network : 192.168.0.0/22
32 - 22 = 10 = 2^10 = 2 2 2 2 2 2 2 2 2 2 = 1024 ip’s
Subnet1 :- 192.168.0.0/24
Start ip : 192.168.0.0
End ip : 192.168.0.255
Subnet2 : 192.168.1.0/24
Start ip : 192.168.1.0
End ip 192.168.1.255
Subnet 3 : 192.168.2.0/24
Start ip : 192.168.2.0
End ip : 192.168.2.255
Subnet4 : 192.168.3.0/24
Start ip : 192.168.3.0
End ip : 192.168.3.255
Public ip :-
- Public IP addresses enables Azure resources to communicate to Internet
Private Ip:-
- Private IP address enables azure resources to communicate inside your VNET
Create network with 4 subnets :-
· 10.0.0.0 - 10.255.255.255 (10/8 prefix)
· 172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
· 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
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