Suppose in DHCP server running network(assigning ip
addresses automatically), you connect a Laptop in the same
n/w, now how the DHCP is going to assign a IP add. to it and
how it will came to know that there's one new machine added.
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Answer Posted / subramaniyan.ns
As soon as your laptop is connected to the running n/w,
your internet connected device brodacast a message
requeting for addressing your equipment.
Then the ISP Equipment checks for availability of IP,
IF the IP is available it acknowledges back to your
internet device with an IP address with DNS & GATEWAY, were
the DNS is used for assigning to send data's that meant to
the internet & GATEWAY is for joining two networks together
that use different base protocols.
If the IP is not avialable, the server will fall back but
answers you with an IP address which starts with 169, this
means that there is no scope available & your laptop will
be unable to browse.
3. This type of sending & recieving is helped by the
interface called MAC Address between your system & DHCP
Server.
Note: As sson as you disconnect the internet,the IP address
is returned back to the list of available addresses and
this will be resued by another device after requesting.
Thus the IP Address is assigned automically to ur laptop
when you connect to the internet.
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