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