Wednesday 16 January 2019
IP Address
What is IP Address
žAddress are
use for identification. It is like name of person.
ž computer is
using two types of address
IP ADRESS and MAC ADDRESS.
MAC ADDRESS:
ž MAC (media
controller address) is LAN address , Which use for identify data in to the LAN.
ž It is work on
layer 2.
ž It is 48 bit
hexadecimal.
žSwitch can
understand MAC address.
žIt is use for
system identification.
žIt is
permanent .
žFor check IP
add start- run –cmd – ipconfig /all
žIt is also
known as physical add , Ethernet add , LAN address , NIC address .
žIt is stored
in LAN card.
žIn computer
world an ip is
0.0.0.0
first ip
255.255.255.255 last ip
Why first ip
is 0.0.0.0 ?
0 is a off bit.
1 is a on bit.
00000000.00000000.00000000.00000000 All off
00000000.00000000.00000000.00000000 All off
0 0 0 0
11111111.11111111.11111111.11111111 All on
255
255 255 255
How many ip
add in the world ?
žNow a days all
ip address are finished , so IANA(Internet Assigned Numbers Authority) makes
second generation of ip address.
1) ipv4
Ipv4 have 32 bits.
2) ipv6
Ipv6 have 128 bits.
HOW to ASSIGN IP ADD:
žNow a days all
ip address are finished , so IANA(Internet Assigned Numbers Authority) makes
second generation of ip address.
Ø 1) ipv4
Ipv4 have 32 bits.
Ø 2) ipv6
Ipv6 have 128 bits.
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