Part 47 - Upgrade Server 2008 - Network Load Balancing - NLB - Smith.N Studio

7/29/2019 Part 47 - Upgrade Server 2008 - Network Load Balancing - NLB - Smith.N Studio

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Chuyn trang dnh cho k thut vin tin hcCHIA S - KINH NGHIM - HC TP - TH THUT

Part 47 - Upgrade Server 2008 - Network Load Balancing - NLB

Trong bi trc chng ta bit cc cu hnh DFS h thng c th chia ti vi nhau gia cc File Server, tuynhin DFS ch gii hn mt s tnh nng nht nh m thi v th do nhu cu thc t i hi phi c mt c ch

tng t nhng c th p dng cho nhiu m hnh khc nhWeb Server, Print Server, Mail Server...

Trong bi ny chng ta s tm hiu v Network Load Balancing (NLB) ng dng chia ti trong cc h thngmng khc nhau

n gin trong bi ny ti s trnh by vi cc bn cch cu hnh NLB cho Web Server

Gi s ti c mt trang Web l www.gccom.net v do nhu cu thc t ti phi thit lp nhiu my Web Servercng tham gia chia ti cho trang Web ny v vy ti phi ng dng NLB chia ti. Mi my Web Server s cmt IP Address duy nht

Nh vy khi ta cu hnh NLB th tt c cc my tham gia chia ti cho h thng Web Server nh NLB s s dngmt Virtual IP Address duy nht ngi dng t bn ngoi truy cp vo s truy cp thng n IP o ny h

thng NLB s t ng cn bng ti cho cc my tham gia vo NLB.

Nh vy trong m hnh ny ti s dng 3 my trong :

- My Server va l my DC Server, DNS Server va ng vai tr l Client

- My PC01, PC02 l cc my Web Server

Cu hnh IP cc my nh sau:

My c tnh Server PC01 PC02

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Subnet Mask 255.255.255.0 255.255.255.0 255.255.255.0

Defaultgateway

Preferred DNS 127.0.0.1 192.168.1.1 192.168.1.1

Card Cross

IP Address

Subnet Mask

Defaultgateway

Preferred DNS

Card Lan: ni gin tip 3 my PC01 &PC02 &Server vi nhau thng qua SwitchCard Cross: ni trc tip cc cp my PC01 vi PC02

Trc tin ti my PC01 &PC02 ti phi ci t dch v Network Load Balancing (NLB) trc bng cch voServer Manager -> Features-> Add Features

Trong Select Features bn chn Network Load Balancing v tin hnh ci t

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Sau khi hon tt ci t NLB ln c 2 my Web Server th h thng bn by gi c gi l Web LoadBalancing. Gi y mi cu hnh trn bt c my Web Server no trong h thng mng u c tc ng lnton b cc Web Server khc.

Nh vy ti ch cn cu hnh ti my PC01 hoc PC02 m thi m khng phi cu hnh ln lt trn tng my

Ti my PC01 bn vo Start -> Programs -> Administrative Tools -> Network Load Balancing Manager bt u tin trnh cu hnh NLB cho h thng

Trong mn hnh Network Load Balancing Manager nhp phi vo Network Load Balancing Clusters chnNew Clusters to mt giao thc mi

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Ti mn hnh New Cluster: Connect chn Card Lan

Trong mn hnh New Cluster: Host Parameters gi nguyn gi tr mc nh

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Ti ca s New Cluster: Cluster IP Addresses bn nhp Add v thm mt IP o vo y. Trong bi gi s IP ochnh l 192.168.1.100/24

Trong mn hnh New Cluster: Cluster Parameters nhp Next

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Mc nh NLB s chia ti cho tt c cc Port tuy nhin trong bi ti ch mun NLB chia ti cho Web Server mthi nn ti mn hnh New Cluster: Port Rules bn nhp Edit

Nhp vo gi tr 80 cho c 2 mc From &To

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Mn hnh sau khi hon tt

Mn hnh Network Load Balancing Manager sau khi hon tt vic Add PC01 vo NLB.

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Lm tng t Add PC02 vo

Nhp phi Virtual IP chn Add Host To Cluster

Nhp IP Address ca my PC02 vo v nhp Connect v tip tc chn Card Lan

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Trong mn hnh New Cluster: Host Parameters gi nguyn gi tr mc nh

Mn hnh Network Load Balancing Manager sau khi hon tt

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Nh vy n y h thng Web Load Balancing ca chng ta bao gm 2 my l PC01 &PC02 tham gia chia tiWeb Server

T my PC01 bt DOS Command ln nhp lnh ipconfig/ all s thy my nhn n 2 IP Address l192.168.1.2 & 192.168.1.100

Ti my DNS Server ti Add thm mt Host (A) l www ch n IP o l 192.168.1.100

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T my Client ti Ping th IP 192.168.1.100 thy thnh cng

Dng lnh nslookup www.gccom.net s thy h thng phn gii tn min www.gccom.net thnh192.168.1.100

Nh vy n y ta hon tt vic cu hnh NLB cho Web Server, khi ta ch cn cu hnh NAT cho Routersao cho khi ngi dng t ngoi truy cp vo mng vi giao thc Web h thng s NAT vo IP 192.168.1.100.n y h thng chng ta s t ng chia ti cho cc my Web Server nh NLB

OK mnh va trnh by xong phn Network Load Balancing - NLB trong 70-648, 70-649 ca MCSA.

Cng ty TNHH u t pht trin tin hc GC ComChuyn trang k thut my vi tnh cho k thut vin tin hc

in thoi: (073) - 3.511.373 - 6.274.294

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Website: http://www.gccom.net

Smith Nguyen St
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Part 47 - Upgrade Server 2008 - Network Load Balancing - NLB - Smith.N Studio

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