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7/21/2019 How IP Addresses Are Obtained
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LEARNING OUTCOMES Understand and learn how to configure static
IP address.
Understand and learn how to configure
dynamic IP address.
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INDUCTION SET How IP address are configure into your
computer?
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Set Induction answer.
IP addresses can be assigned into your
computer either statically or dynamically.
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HOW IP ADDRESSES ARE OBTAINED :STATIC AND DYNAMIC ADDRESS ASSIGNMENT
Static
Manually configure the network information
for a host.
Its includes the host IP address subnet maskand default gateway.
Useful for printers ser!ers and other
networking de!ices that need to be accessible
to clients on the network. What is the pro!e" i# $e %se static IP
coi'%ratio& to the !ar'e &et$or(s)
*%r+e& o& sta##, $aste o# ti"e, e&tr- errors.
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DYNAMIC IP addresses assigned automatically and it is done using a
protocol known as D-&a"ic Host Coi'%ratio& Protoco!*DHCP./
DHCPautomatic assignment of addressing information suchas IP address subnet mask default gateway and other
configuration information.
DHCP a+0a&ta'es : "H#P is generally the preferred method of assigning IP
addresses to hosts on large networks since it re+%ces the%r+e& o& &et$or( s%pport sta## and 0irt%a!!- e!i"i&ates
e&tr- errors. $nother benefit of "H#P is that an a++ress is &ot
per"a&e&t!- assi'&e+to a host but is only leased for aperiod of time. If the host is powered down or taken offthe network the address is returned to the pool for reuse.
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DHCP server is configured with a range, or pool, of IP addresses that can be
assigned to DHCP clients.
A client that needs an IP address will send a DHCP Discover message which is a
broadcast with a destination IP address of 255.255.255.255 and a destination AC
address of !!"!!"!!"!!"!!"!!.
All hosts on the networ# will receive this broadcast DHCP frame, but onl$ a DHCP
server will repl$.
%he server will respond with a DHCP Offer, suggesting an IP address for the client.
%he host then sends a DHCP Request to that server as#ing to use the suggested
IP address.
%he server responds with a DHCP Acknowledgment.
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E1ERCISE %ou&re at the Mc&" restaurant and use the wireless Hot
Spot to access internet. 'hich type of IP configuration areassign into your computer?
Place these "H#P message in the correct order for a host
to obtain an IP address from a "H#P ser!er.
"H#P (e)uest
"H#P "isco!er
"H#P *ffer
"H#P $cknowledge
"H#P (e)uest
"H#P "isco!er
"H#P *ffer
"H#P $cknowledge
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SUMMARY
Understand how IP address are obtained +
static and dynamic.
Static are manually configured and it useful for
de!ice that are been access by user on thenetwork. ,Printer and Ser!er-.
"ynamic use "H#P ser!er to automatic assign
IP address to hosts on the large networks.
earn how to configure static and dynamic IP
using Packet /racer.
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LAB ACTI2ITY 3 4 ASSIGN STATIC IP
0y using packet tracer+
a- #onnect 1 computer to one Switch,1234-.
b- $ssign static pri!ate IP address using #lass
$ to all the computer.
c- /est the connecti!ity between the
computer
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LAB ACTI2ITY 3 4ASSIGN DYNAMIC IP
"ownload packet tracer acti!ity from #isco
"isco!ery 5 ,6.7.7-.
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THAN5 YOU