IP is an unreliable and connectionless datagram protocol. IP provide no error checking or tracking .an IP address is 32bit address . the IP address are unique.
eg. 0 31
145.10.34.3
 |
| working of IP address |
range from 0.0.0.0 to 255.255.255.255
subnetting:- we use subnetting with classless addressing . when an organization is granted a block of addresses, it create subnet to meet the needs . the prefix length {n} increase to define the subnet prefix length.
subnet 10 Network subnet host
6bit 10 bit
<------------------------------->
32bit
Physical Address :- 1. physical address is call with another name is "medium access control' MAC or ethernet address or layer second address .
2. physical address is 48bit address represented by in hexadecimal format.
3. physical address is used inside "local area network" LAN network that is with in the signal network.
4.to find the authorized medium access control to unauthorized internet protocol address we need a protocol called RARP.
example MAC address
Logical Address :- 1. logical address is also called network address or layer address.
2. logical address is 32bit address represented by in octets.
3.logical address is used when two or more networks are communicate with each other, there it is used.
4. to find unauthorized network from medium access control address we need a protocol is called by ARP
example IP address
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