mß.Kl cd,

HRMKKK Ranasinghe (BSc.Agric.

Sp.,DIT)

1969.10.29

Advanced Research Projects Agency Network 

cd,lrKh jdis

f.dKq fnod.ekSu oDvdx. yjqf,a Ndú;h uDÿldx. yjqf, Ndú;h mßYS,lhka w;r ikaksfõokh cd, .; l%Svd IP ,smsk yryd ÿrl:k weu;=u ^Voice

over IP &

mß.Kl cd,

/yeka iys; /yeka rys;

/yeka iys; cd,

Coaxial Cable

Fiber Optic Cable

/yeka rys; cd,

• wifi

WAN

MAN

LAN

1 to 10 km

<100 km

>100 km

cd, ia:, úoHdj

Tfí úoHd.drfha cd,h @@@

RJ45 / RJ11

RJ45

cd, iaúp

cd, /yeka i|yd ljq¿

IP ,smsk mß.Kl cd,hl we;s úúO Wmdx.

yÿkd .ekSug cd,h ;=< Wmdx. w;r iïnkaO;d f.dv

kexùug

IP ,smsk ,ndoSu wmg leu;s mßos isÿl< fkdyel' iïu;hka wkq.ukh l< hq;= fõ'

IP ,smsk

IPv4 IPv6

IPv4 ,smsk ìgq 32lska iukaú; fõ'

WodyrK 192.168.10.1

11000000.10101000.00001010.000000018 bits 8 bits 8 bits 8 bits

tla Lkavhla ;=< mej;sh yels úYd,;u w.h lSho@

20 = 121 = 222 = 423 = 824 = 1625 = 3226 = 6427 = 128

= 255 ta wkqj mej;sh yels úYd,;u ,smskh

255'255'255'255 fõ'

IPv4 ,smskhl fldgia

IPv4 Address

Network ID Host ID

Network ID fuu ,smskh ,nd oS we;s WmlrKh l=uk cd,hg

wh;aoehs fmkajhs' Host ID

fuu cd,h ;=< wod, WmlrKhg ,nd oS we;s wxlhhs‘

iEu úglu Network tll IP ,smskfhys Network ID tl fkdfjkiaúh hq;= w;r Host ID tl iEu úgu fjkia úh hq;=h'

IPv4 ,smsk mka;s Class A Class B Class C Class D ^nyq úldY lghq;= i|yd

fjka lr we;& Class E ^m¾fhaIK lghq;= i|yd

fjka lr we;&

mka;sh yoqkd .ekSug ,smskfha m<uq Lkavh foi n,kak'

Class A 1-126 Class B 128-191 Class C 192-223 Class D 224-239 Class E 240-254

127????

127.0.0.0 – 127.255.255.255 Ndú;d l< fkdyel .eg¿ y÷kd.ekSï i|yd fjka lr we;'

IPv4 ,smsk rgdj Class A N.H.H.H Class B N.N.H.H Class C N.N.N.H

Subnet Mask IP Address Class tllg wh;a jk Network ID j,g

we;=<;a l< yels Wmßu ixLHd j,ska ;ekS we;'

Class A 255.0.0.0 Class B 255.255.0.0 Class C 255.255.255.0

IP Address tlla Host tllg Assign lsÍfïoS wksjd¾hfhkau Subnet Mask tlo we;=<;a l< hq;=h'

Default Gateway Local Subnet tl ;j;a Subnet tlla iu. iïnkaO

lsÍu fuys ld¾hh fõ' rjqgrhla fkdue;s —vh,a wma fudvuhla ˜

yryd wka;¾cd,hg iïnkao jk l=vd mßudK jHdmdßl cd,hl default gateway wka;¾cd, fiajd imhk wdh;kfha i¾jrfha ,smskh fõ'

fndfyda úg Network tll Default Gateway tl jkafka rjqgrhg wh;a IP ,smskh fõ'

wka;¾ cd,h yd iïnkaO fkdjk rjqg¾ fyda fudavu fkdue;s cd,hla i|yd @@@@

we;eñ úg mdi,a mß.Kl úoHd.dr j, rjqg¾ fkdue;' cd, iaúphla u.ska muKla mß.Kl tlsfkl

iïnkaOfõ' tajd o —l<ukdlrKh l< fkdyels˜ cd,

iaúp fõ'

tjka úfgl Default Gate Way tlla fkdue;sj cd, ,smsk úkHdilrKh l< yel'

uQ,sl .eg¿ úiÿïBasic Troubleshooting

network adapters ksis f,i ia:dms; ù we;a oehs mÍlaId lr n,kak'

iïnkaO;d ;yjqre lr .kak'

flan,h iú ù we;ao@cd, ljq¿j wi, we;s LED o¾Yl ksÍlaIKh

lrkak fld< meyefhka oe,afõ

iïnkaO;dj we;‘ fld< meyeh ksfjñka oe,afõ

o;a; ,eîu fyda heùu isÿfõ oe,afkdfõ $ ;eô,s fyda r;= meyefhka

oe,afõ ksis mßos iú ù fkdue;$ o;a; iïfm%aIKh fkdfõ

flan, l%shd;aul o @;yjqre lr .kak flan,a fgiagrhla Ndú;d l< yel'

wevemagr l%shdldÍ;ajh msßlaikak ping 127.0.0.1 ping localhost

iïfm%aIKh isÿ fkdfõ kï network card ksis mßos iú ù fkdue;' ksjeros uDÿldx. ia:dms;j fkdue;' network card l%shdldÍ ;;a;ajfha fkdue;'

IP ,smskh ksjeroso@

Run cmd ipconfig

rjqgrh yd iïnkaO;dj msßlaikak rjqgrfha ,smskh fidhd .kak' Open the Windows command line. type “ipconfig” Enter get the “default gateway address”

and “ping” to it ms<s;=re fkd,efí kï

rjqgrh Reset lrkak

rjqgrh Reset lrkak

mß.Klh l%shd úrys; fldg Bg ,efnk úÿ,sh úikaê lrkak'

rjqgrhg iy fudavuhg ,efnk úÿ,sh úikaê lrkak' ;mamr 15lg muK miq kej; fudavuh yd rjqgrh iunkaO lrkak'

kej; fmr mßos rjqgrhg Ping lr ksÍlaIKh lrkak'

Tfíu IP ,smskhg Ping lrkak'

Ping “your IP” check results

Tfí cd,fhka msg;g Ping lrkak'

Ping google.com

Clipping a Network Cable

Cross Cables

Clipping a Network Cable

Straight Cables

Steps

Add a network Printer

Remote desktop

Network Monitoring with Advanced IP Scanner

Steaming with VLC

Shutdown PC in LAN via command line

Shutdown /i

ia;+;shs

kapila@oncc.sch.lk