bÀi tẬp lỚn mÔn mẠng khÔng dÂy

MNG KHNG DY

Ging vin: L Hng Chung

BI TP LN MN MNG KHNG DY

TI: XY DNG H THNG MNG KHNG DY CA H THNG TRUNG TM SIU TH IN M Y HOI ANH

Ging vin hng dn : L Hng Chung Danh sch nhm 12 - Lp 508B Trn B Khim(NT) Phan Minh Nguyt L Th Thanh Huyn Nguyn Th Lan Phng V Thnh Lun

H ni,20/10/2011

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NHN XT CA GIO VIN ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... .....................................................................................................................................

H Ni, ngy.. thng .. nm 2011 Ging vin L Hng ChungNhm 12 : Page 2

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LI M U Trong xu hng nn cng ngh thng tin pht trin nh hin nay vi nhng yu cu ti u ca h thng mng cc doanh nghip do h thng mng khng dy dn tr thnh xu hng pht trin mnh m. Cc h thng mng khng dy c u im hn rt nhiu so vi mng c dy l chi ph gi thnh r, d trin khai cng nh lp t Bn cnh th khi trin khai h thng mng khng dy cng gp rt nhiu nhng kh khn. Do tnh cht mi trng thi tit khc nghit nh vit nam v nhng kh khn v a hnh, c s vt cht v vy bc u tin v cng l quan trng nht l chng ta phi kho st tht k v phn tch a ra nhng gii php khc phc trc khi i thit k mt h thng mng khng dy. Vi mn hc Mng Khng Dy do thy L Hng Chung ging dy th chng em c trang b nhng kin thc c bn i xy dng mt h thng mng khng dy cho mt doanh nghip. Chng em xin chn thnh cm n thy! V ti hon thnh trong mt thi gian ngn v do trnh cn hn ch nn khng trnh khi nhng thiu st. Chng em mong nhn c s gp ca thy gio v ca cc bn.

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I.

Kho St Thc T H Thng Trung Tm Siu Th in My Hoi Anh v yu cu ca khch hng

1. Kho st thc t H Thng Trung Tn Siu Th in My Hoi Anh l siu th in my ln. bao gm 2 ta nh showroom bn sn phm v 1 trung tm bo hnh. Showroom th nht l tr s chnh c 6 tng, mi tng l 200m2: Tng 1: l ni trng by cc sn phm k thut s nh my nh, camera, in thoi Tng 2: l ni trng by cc sn phm v cng ngh nh l: destop, case my tnh, cc linh kin my tnh Tng 3 : l ni trng by cc loi laptop ca cc hng nh acer,HP, compact,Asus, Dell,SamSung Tng 4 : l ni trng by cc sn phm IPhone, MacBooK ca hng APPLE Tng 5: l ni trng by cc sn phm in lnh gia dng phc v cho gia nh nh : my git,tivi, t lnh, iu ha, bp Tng 6 : c phng gim c, phng makettinh, phng hp hi ng Qun Tr, phng k ton, phng chm sc khch hng v 1 phng sever. Showroom th 2 cng c 6 tng, mi tng 200m2 v b tr cc tng nh tr s chnh. Trung tm bo hnh gm 2 tng, mi tng 50m2: Tng 1: Ni nhn v tr sn phm ca khch hng n bo hnh. Tng 2: phng k ton, phng sever, 1 phng bo hnh. 2. Yu Cu Ca Khch Hng

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- Trin khai h thng mng khng dy tc cao cho hai ta nh (tr s chnh v showroom 2) - Trin khai mng khng dy sao cho bt c ni u trong hai ta nh khu th cng c th truy cp c internet tc cao. - Khch hng s dng mng khng dy c th truy cp c bo, xem phim, download d liu, c th p ng c nhng cuc hp bng video call. - Yu cu bo mt trong h thng mng. - Xy dng h thng mng khng dy da trn h thng mng c dy ang hot ng.

II.THIT K MNGS dng thit b Wireless outdoor bridge kt ni tr s chnh v Showroom 2, tr s chnh v Trung Tm Bo Hnh. y s dng OWL80. - S dng Wireless Access Point truyn ti d liu mng thng qua kt ni Wi-Fi ko dy. - S dng Wireless LAN Controller qun l tp trung v iu chnh thng s cc AccessPoint(nh tn s, knh pht song). y chng ta s dng ZoneDirector 1000 qun l ln ti n 50 Access Point-

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1. Kt Ni Gia ni tr s chnh v Showroom 2.

a) Kho St - Tr s chnh v showroom 2 cch nhau 5 Km, gia 2 ta nh ny l c 1 h nc v mt con sng vo ma ng c rt nhiu sng m, ma xun v ma h c nhiu hi nc bc ln. - C 1 cng vin c nhiu cy to v thng rng l vo ma thu, ng v vy n ma xun v ma h l cy rt nhiu nn khi ma xung s c rt nhiu sng m v hi nc bc nn. - Ngoi ra trn ng truyn cn c 1 bnh vin cao 5 tng mi tng cao 4m v trong bnh vin cng c nhiu thit b phc v cho cha bnh cng hot ng di sng c tn s 2.4 GHZ. - Bn cnh ta nh tr s chnh l cc cn h lin k v vy c mt s thit b nh l vi song.. cng hot ng vi di tn l 2.4GHZ, cnh showroom 2 l mt khu trung c cao cp nn kh nng c s nh hng ca cc l vi song l rt ln. - i vi tr s chnh v trung tm bo hnh th cch nhau 1km v a hnh kh bng phng a s l cc nh dn v vy cng c s nh hng ca cc l vi sng.Nhm 12 : Page 6

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S Vt L b) Yu cu : Xy dng mt ng truyn m bo vic truyn d liu gia tr s chnh v Showroom 2, tr s chnh v Trung Tm Bo Hnh. tc ti thiu t 11mbps.Nhm 12 : Page 7

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c) Gii Php S dng 802.11g Wireless LAN Outdoor AP with Bridge WAP-6000 kt ni gia tr s chnh v Showroom 2, tr s chnh v Trung Tm Bo Hnh. t mt thp anten cao 8m trn nc ta nh trnh c nhng vt cn nh cy ci, s bc hi nc v sng m,song ca cc thit b trong bnh vin, s cn tr ca cc ta nh trn ng kt ni khng dy. Chu c iu kin thi tit khc nghit. S dng tn s 2.4Ghz, knh 1, chun 802.11g h tr bng thng ln n 54Mbps. C kh nng tng thch vi cc chun 802.11b, c tc cao, phm vi pht song rng, trnh xung t song vi cc thit b khc. 2. Kt Ni C S Chnh Vi Trung Tm Bo Hnh a. Kho st - i vi tr s chnh v trung tm bo hnh th cch nhau 1km v a hnh kh bng phng a s l cc nh dn v vy cng c s nh hng ca cc l vi sng. - Bn cnh n cn cch nhau bi 1 con sng vo ma ng c rt nhiu sng m, ma xun v ma h c nhiu hi nc bc ln. b. Yu cu : Xy dng mt ng truyn m bo vic truyn d liu gia tr s chnh v Showroom 2, tr s chnh v Trung Tm Bo Hnh. tc ti thiu t 11mbps. c. Gii Php S dng 802.11g Wireless LAN Outdoor AP with Bridge WAP-6000 kt ni gia tr s chnh v Showroom 2, tr s chnh v Trung Tm Bo Hnh. t mt thp anten cao 8m trn nc ta nh trnh c nhng vt cn nh cy ci, s bc hi nc v sng m,song ca cc thit b trong bnh vin, s cn tr ca cc ta nh trn ng kt ni khng dy. Chu c iu kin thi tit khc nghit. S dng tn s 2.4Ghz, knh 1, chun 802.11g h tr bng thng ln n 54Mbps. C kh nng tng thch vi cc chun 802.11b, c tc cao, phm vi pht song rng, trnh xung t song vi cc thit b khc.

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M t S Thit K

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WIRELESS OUTDOOR OWL800 - Tch hp chun 802.11 a/b/g vi hai khe PCI-mini b sung dng m rng. - Cung cp nhiu ch hot ng bao gm: Point-to-Point, Point-toMultiPoint Bridge, AP trm v Gateway AP - OWL800 c tc dng ngn tn hiu suy gim - Chun N cho php nhiu la chn anten linh hot hn tht chuyn nghip. - Nhng anten c th gn trc tip trn thit b OWL800, hoc kt ni gn vi n, gim thiu vic mt tn hiu. - Hai bng tn ( 2.4 GHz v 5 GHz) vi nhiu knh pht hn cho php chn knh ph hp trnh trng knh vi nhng ni ln cn, gip sng khng b nhiu. - Mi module Radio c th c cu hnh thnh mt AP hoc WDS c lp. S module c th ln n 4 phc v vic pht sng ch vi mt thit b OWL800 - Kh nng chu thi tit khc nghit -30oC-70oC; 15kv - Tng cng c ch bo mt da trn chun 802.11 - M hnh vi ng-ten tch hp hoc cc m hnh vi kt ni (phi mua mt ng-ten, c bn ring) cho s linh hot trong trin khai - Thit k c bit cho d dng ci t v hot ng

- Antenna highly-directional pht ra cc beam tn hiu hp nht v c li ln nht trong cc loi anten. antenna highly-directional l mt thit b thng c hnh lng cho hay dng a. Nhng antenna ny rt l tng cho khong cch xa, ktNhm 12 : Page 10

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ni khng dy point-to-point. Mt s model c gi l parabolic dish bi v chng tch hp mt v tinh nh dng a.

Product Name Frequency Product Type Antenna Range

21 dBi Solid Dish Antenna 2.4 GHz to 2.83 GHz Dish Antenna 37 km @ 9Mbps Outdoor Approximate 19 km @ 54Mbps Outdoor Approximate

* Chng st: Nhm bo v h thng truyn d liu v cc thit b t tin, ta thit lp mt h thng chng st do cc thit b anten c a ln cao v vy h thng chng st ny la ht sc cn thit S dng TerraStat TS-500 l dng sn phm tn st c pht trin mi nht ca tp on Alltec ng dng nguyn l phng in im nhm gim st nh trc tip vo cc thp vin thng, pht thanh-truyn hnh & cc cng trnh cao khc. TS-500 c lm t 300 nhm thp khng r c bit. TS-500 c thit k c trng lng nh, chu ti trng gi thp nn d lp t.

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3. Kt Ni Mng Khng Dy Trong cc Ta nh-

Kho St v Gii Php mng cho tr s chnh v showroom 2 S mng c dy ca c s chnh v showroom 2

H iu hnh mng ang s dng: Windows server 2003. H thng mng c hn 50 ngi ang s dng. H thng c 5 server qun l cc my trm v lu tr cc d liu v cc dch v khc. H thng mng s dng ng truyn internet cp quang tc 30Mbps.Nhm 12 : Page 12

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H thng cha p dng loi mng khng dy. - Kho st cc thit b khng dy trong h thng: LapTop:a s cc thit b laptop c nhn , khch hng, ngi s dng vng lai u nhn tn hiu khng dy theo chun 802.11 a/b/g/n. in thoi ,my tnh bng: a s cc thit b u hot ng thu sng wifi theo chun 802.11 b/g/n. D kin s thit b dng mng khng dy s tng ln v quy m v s tin cy ca khch hang vi h thng in my Hoi Anh - Kho st s di chuyn ca ngi dng: Khu vc di chuyn nhiu: Khu trng by cc sn phm , y l khu c ngi s dng wifi ng nht v lin tc di chuyn ln xung cc tng v yu cu khi h di chuyn vn m bo kt ni internet. Khu vc di chuyn t : Khu vc cc phng ban ca nhn vin trong cng ty-

Kho st tng 1 v a ra gii php mng

Tng 1 l khu trng by sn phm k thut s nh camera, my nh.. v vy y ch yu l khng gian rng c cc k g p v t knh trng by sn phm v c 1 cu thang t ng ln xung cc tng. c 1 thang my dnh cho nhn vin cng ty nhng gc nn mc nh hng n song khng ng k.Nhm 12 : Page 13

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Nn ta cn la chn knh pht thch hp nhm trnh nh hng cua cc thit b khc vi thit k trn gii php cho tng ny l s dung 2 access point ng hng t 2 gc hi trng vi cng sut cao s bao ph c ton b gian phng Pht sng di tn s 2.4ghz s dng knh 6

-

Tng t Kho st tng 2,3,4,5 v a ra gii php mng ging nh tng 1.

- Kho st tng 6 v a ra gii php mng - Tng 6 gm cc phng ban nhn vin trong cng ty v 1 phng sever + 1 phng hp hi ng qun tr nn cng khng c vt no cn song nn ta cng dung 2 access point ng hng t 2 gc hi trng vi cng sut cao s bao ph c ton b gian phng Pht sng di tn s 2.4ghz s dng knh 11

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Cu hnh Roaming: Cho php Client di chuyn ra khi vng ph sng ca AP ny sang vng ph sng ca AP khc m bo Client khng b gin on vic truyn v nhn d liu trong 1 khong thi gian nh. - 3 Tng ca khu ging ng s dng mi tng 2 Access Point Indoor, tng cng l 6 Access Point. Tt c cc Access Point phi cng 1 hng. Do thut ton chuyn vng khng c nh ngha trong 802.11 m do nh sn xut ty ci t, cc nh sn xut cng thng nht 1 s vn c bn v thut chuyn vng. - Quy tc Chuyn vng lp 2: - Yu cu phi c kt ni lp 2 gia cc AP bng kt ni c dy . - Cc AP set cng 1 SSID v cc knh phi cch nhau nh sau channel 1, 6, 11 trnh tnh trng nhiu tn hiu nu chng t gn nhau hoc cng 1 v tr a l. - C ch Roaming: +AP 1 phi xc nh rng client i ra khi vng ph sng ca n. +AP 1 s lu li tt c nhng d liu dnh cho my khch ang chuyn vng( khng bt buc v n khng c nh ngha trong 802.11) + AP 2 s thng bo cho AP c rng my khch chuyn vng thnh cng ( tc l client nm trong vng ph sng v kt ni vi AP 2). Bc ny thng xy ra thng qua 1 gi tin unicast hoc multicast t AP 2 gi AP 1 trong MAC ngun l MAC ca client (khng bt buc v n khng c nh ngha trong 802.11) +AP 1 s gi cc d liu lu n AP mi.Nhm 12 : Page 15

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+Ap 1 phi xc nh 1 ln na rng client ri khi n ( n khng cn lu gi d liu cho client na) +AP 2 s cp nhp bng a ch MAC trn cc b chuyn mnh trung gian ngn nga vic mt d liu (do AP 1 khng cn lu d liu na) (AP 1 s gi d liu cho SW , SW s forward cho AP 2 v sau m bo rng bt k d liu no ca client hay chuyn cho client s thng qua AP 2)

- Thit b: Access Point Cisco C3000 N

Tc truyn d liu Giao thc bo mt Giao thc Routing / Firewall Manegement Ngun

300Mbps WPA WEP WPA2 TCP/IP Web - based LAN 12V DC - 1A

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Ging vin: L Hng Chung* Wireless-N Access Point with Power Over Ethernet * Hat ng vi chun kt ni khng dy IEEE draft 802.11n ng thi pht song trn 2 tn s 2.4GHZ v 5GHZ tng thch ngc vi thit b chun b v chun g * S dng ngun in POE (IEEE 802.3af) hoc ngun mt chiu bn ngoi * Tnh nng QoS c vi mng khng dy ln c dy m bo tnh n nh cho hot ng ca cc ng dng thi gian thc nh m thoi, xem video * H thng mng khng dy c bo mt vi chun bo mt nng cao nh: WPA2 Enterprise, Rogue AP detection, 802.1x supplicant, VLANs, multiple BSSIDs. 170 x 40.6 x 170 391

Tnh nng khc

Kch thc(cm) Trng Lng(g)

b. Kho st v gii php mng cho trung tm bo hnh - Trung tm bo hnh gm 2 tng trong tng 1 th c snh ch dnh cho khch hang n bo hnh hu nh khng c vt cn nn ta dung 1 access point ng hng t gc phng vi cng sut cao s bao ph c ton b gian phng Pht sng di tn s 2.4ghz s dng knh 6

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- Tng 2 l phng k thut v phng k ton v vy khng c vt cn song nn ta dung 1 access point ng hng t gc phng vi cng sut cao s bao ph c ton b gian phng Pht sng di tn s 2.4ghz s dng knh 11

4. Cu hnh Access Pointa. Trong phn thc hnh ny s hng dn cu hnh Access Point thng qua

giao din Web-Based Utility. Bc 1: vo giao din Web-Based Utility ca AP cn thng qua trnh duyt web (web browser) ca mt PC. PC ny c th gn wired card hoc wireless card. y s dng mt PC c gn wired card. Dng cable cho (cross cable), mt u gn vo card mng ca PC u cn li gn vo cng LAN mt sau ca AP. t a ch IP cho PC ny, thc hin nh sau: Click vo menu Start, m Control Panel .Nhm 12 : Page 18

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Double-Click vo biu tng Network Connection Nhn phi (Right-click) vo biu tng Local Area Connection v chn Properties. Internet Protocol (TCP/IP) s c lit k ra trong Network Adapter. Chn Internet Protocol (TCP/IP) v nhn vo Properties. Ca s Interner Protocal (TCP/IP) Properties.

Chn Use the following IP address. Theo mc nh ca nh sn xut th a ch qun tr ca AP l 192.168.1.246. Nh vy, PC s cng lp mng vi AP th mi c th truy cp vo AP dng WebBased Utility. t a ch IP cho PC l 192.168.1.10 /24. a ch ny c th l mt a ch c dng 192.168.1.X (vi X t 1 254). Tuy nhin cn trnh dng cc a ch 1, 255. Nhng a ch ny l nhng a ch dnh ring. Nhn OK. Nh vy TCP/IP c cu hnh.Nhm 12 : Page 19

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Ti address ca trnh duyt web (thng thng l IE) g vo a ch qun tr ca AP Linksys WAP55AG http://192.168.1.246. Bc 3: Sau khi g Enter, s xut hin mt mn hnh nh sau:

User name: B qua trng ny, do s trng. Password: admin. i vi ln u tin s dng Web-Based Utility th password mc nh l admin. C th chnh sa li password ny sau. Nhn OK. Bc 4: Mn hnh u tin xut hin s hin th tab Setup.

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Tab Setup cho php cu hnh AP mc tng qut nht. Device Name: C th t li tn cho AP, tn ny gip xc nh bn thn AP trong mng, do nn l duy nht v gi nh. iu ny s gip ch nhiu nu trong mng s dng nhiu AP. Sau khi t tn xong, lu li nhn Save Settings. Configuration Type: phn ny AP a ra cc cch cu hnh a ch s dng trong mng. + Automatic Configuration-DHCP: Nu thit t mode ny, AP s c DHCP server cp a ch nh cc PC khc trong mng. a ch ca AP n gin l a ch dng qun tr. Khi dng a ch c cp t ng, qun tr mng s gp kh khn hn khi mun cu hnh AP khng qua kt ni trc tip. + Static IP: Qun tr mng s cu hnh a ch IP tnh cho AP. a ch ny cng thuc subnet m DHCP server cp xung cho cc PC kt ni vo AP. Tuy nhin, trong trng hp ny, a ch IP qun tr l c nh. Qun tr mng t gp kh khn hn mode bn trn. Nh vy l vo c giao din Web-Based Utility ca AP. C th cu hnh theo yu cu thc t. lu li cc cu hnh thay i AP nhn vo Save Settings.Nhm 12 : Page 21

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b) Thit b qun l tp trung HT Wireless LAN ca Ruckus Wireless: Thit b ZoneDirector 1000 kt hp hon ho vi h thng switch sn c, tng la, server chng thc, v mt s thit b mng khc. Khi ZoneDirector 1000 c bt ln v chy, tt c cc AP ZoneFlex ca Ruckus (c dy hoc chy mesh) s t ng d tm ZoneDirector, t cu hnh, v bt u c qun l bi ZoneDirector. ZoneDirector.s t ng iu chnh cng sut pht, t ng phn chia knh trnh nhiu cho cc AP lng ging, v cung cp kh nng ph sng d phng khi c mt AP b li. Ta cng c th d dng thay i cu hnh ng thi cho nhiu AP hoc ton b h thng. Mt bn hin v tr cc AP v vng ph sng, cng nh s mesh ca cc AP trong h thng. ZoneDirector 1000 tch hp cng c qun l hiu sut SpeedFlex, cho php ngi qun tr xc nh hiu sut Wifi ca client ti ch hoc t xa

III. Bo mt trong mng khng dya) Mng khng dy qung b mng ca chng s dng tn hiu sng radio. N khng ging nh cng ngh mng c dy Ethernet, truy cp ti mng c dy th cn phi c c s truy cp vt l ti cc u cm mng. Nu s dng mng khng dy, do khng cn thit chng trong vic xy dng mng, v vy c th truy cp ti mng khng dy t bn kia ng. S khc nhau gia mng c dy v mng khng dy c minh ha trong nhng so snh di y: - Vi mng c dy, mi trng ring. Chng ta khng phi lo lng v nhng ai ang kt ni v ngi s dng bt hp php khng th c c s truy cp ti cc u cm mng. Chng ta cng khng cn m bo b mt cho giao thng mng v giao thng c gi qua mt h thng cp ring, nhng ngi dng bt hp php khng th tip cn chng. - Vi mng khng dy, mi trng chung. Bt k ai c thit b khng dy ph hp v nm trong phm vi mng u c th kt ni. Giao thng mng bi vy cng phi c b mt bi v ngi dng bt hp php c th nhn frame khng dy m khng cn c kt ni vt l nhng vng an ton. Bi vy, i vi mng LAN khng dy, bo mt l mt phn i hi ca cng ngh, s thi hnh v s trin khai ca n. Nhng tnh nng an ton cho mng khng dy gm c:Nhm 12 : Page 22

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Xc thc: Trc khi cho php trao i giao thng d liu vi mng khng dy, nt mng khng dy cn phi nh danh (c quyt nh bi phng thc chng thc). M ha: Trc khi gi gi d liu mng khng dy, nt mng khng dy phi m ha d liu m bo d liu tin cy. Ton vn d liu: Trc khi gi gi d liu khng dy, nt mng khng dy cn c thng tin trong gi sao cho my nhn c th xc nh rng ni dung ca gi cha c sa i. b) Bo mt khng dy vi chun IEEE 802.11 4.2.1. Xc thc IEEE 802.11 xc nh cc kiu chng thc nh sau: - Open system authentication (H thng chng thc m) - Shared key authentication (Chng thc s dng kha chia s) H thng chng thc m khng cung cp s chng thc m ch xc minh bng cch s dng a ch MAC (Media Access Control) ca card mng khng dy. S chng thc ny s dng khi khng c yu cu chng thc, v l s chng thc mc nh m thut ton s dng sau khi x l. - My trm khng dy u tin s gi mt thng bo Open System Authentication Request, n cha a ch MAC vi a ch ngun ca Frame 802.11. - Nt mng khng dy nhn c s p tr vi mt thng bo Open System Authentication Response cho bit chng thc thnh cng (my trm yu cu c chng thc) hoc khng thnh cng.

Hnh 4.1: H thng chng thc m Mt s AP khng dy cho php cu hnh mt danh sch cc a ch MAC ca my trm khng dy cho php. Tuy nhin, khng th cung cp s an tonNhm 12 : Page 23

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cho mng khng dy v mt k tn cng c th d dng ghi li cc gi tin v s dng a ch MAC ca my trm khng dy hp l nh ca chnh mnh. c. ZoneDirector 1000 tch hp phn mm Smart/OS cung cp cc tnh nng nh kt ni li khng dy (meshing) thng minh, nhy cao, chng thc hot spot, kt ni mng cho khch v bo mt Wi-Fi linh ng, tp hp y cc tnh nng bo mt ca Wi-Fi nh m ho WEP, WAP-AES,WAPTKIP, WAP2- AES, WAP2-TKIP, 802.1x , Chng thc qua Radius, LDAP(cng chn), Active Director v kh nng phn chia VLAN linh ng. Chnh sch truy cp cho ngi dng cho kh nng kim sot WLAN phong ph. Cc access point ging ng l phc v wifi cho sinh vin. y l h thng mng cng cng. Cc access point trong phng ngh l phc v cc gio vin trong trng, cn c chnh sch bo mt. Cc gii php: Lc a ch MAC S dng WPA (Wi-Fi Protected Access) Gio vin lm vic trong trng s c mt ti khon c nhn s dng trong sut qu trnh lm vic ti trng, chng ta c th s dng tnh nng chng thc external trn thit b controller ca Ruckus ng b mt ti khon cho php h c th s dng ti khon s dng nhiu ng dng trong trng nh s dng cho th th vin, s dng truy cp wi-fi , h thng. Cc thit b: ZoneFlex 2942

Hiu sut cao vt tri v hiu qu v mt chi phNhm 12 : Page 24

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T ng to chm sng nng ng Qun l RF tin tin Kh nng to chm sng nng ng v gim thiu nhiu sng C hiu sut cao, vng ph sng m rng ( 2 n 4 ln) v h tr a truyn thng. Trnh nhiu t ng, ti u ha trong mi trng c nhiu thit b thu pht sng Tch hp antenna thng minh vi hn 4,000 dng thc (pattern) khc nhau cho tin cy vt tri Hiu sut sng t 7dB v chng nhiu t -15dB H tr ng thi ng truyn HD IPTV, VoIP v d liu H tr cng lc nhiu dng tn hiu IP video H tr 4 queue (hng ch) trn mt client station Truyn ti 20 cuc gi thoi ng thi, 100 ngi dng d liu (data user) cng lc Kt ni li (meshing) thng minh gip tng cng tnh linh ng v gim chi ph Kh nng kt ni mng li thng minh Kim sot cp quyn/cn bng truyn ti Nhiu dch v a dng vi nhiu SSID 8 BSSIDs vi phng php bo mt v QoS c quyn H tr WEP, WPA-PSK (AES), 802.1x Bo mt Zero-IT v Dynamic PSK Chn cng vo v cp account cho khch H tr RADIUS v Active Directory Multi Media Access Point RUCKUS ZoneFlex 2942 AP chuyn dng cao cp cho khch sn, Resort, Trng Hc 1 port LAN, 1 port PoE, 10/100Mbps Cng ngh c quyn Ma trn Anten thng minh (gm 12 anten nh hng, thay i cng sut pht cc hng khc nhau theo nhu cu) Bo mt WEP/WPA (PSK), xc thc 802.1x vi ZoneDirector, thng qua user ni b hoc Radius v ActiveDirectory Kt ni n 100 user ng thi. Throughput n 20Mbps (Max 54Mbps) cho din tch 460m2 trong nh VLAN 802.1q, 8 SSID khc Subnet, kh nng gii hn bng thng. Cng sut thc 24dbm (250mW) 12.800.000 VNDPage 25

Gi:

Nhm 12 :

MNG KHNG DYThng s k thut: WM Item # Manufacturer Frequency Frequency Wireless Protocol Series Hotspot Access Ctrl Radio Power (max) Configuration Data Rate Security POE Frequency Range Operating Tempature Mount Method RF Connector Network Connector Gain


101020 Ruckus Wireless 2.4 GHz 2.4 GHz 802.11b, 802.11g Ruckus ZoneFlex Included with Zone Director 23 dbm Wed based configuration or centrally managed via Zone Director up to 54Mbps WEP, WPA-PSK, WPA-TKIP, WPA2Supported 2.4 GHz 0 - 50 C Ceiling, Wall or Desktop 1 x RP-SMA (optional) 1 x 10/100, 1 x 10/100 POE 12 x 7 dbi

ZoneDirector 1000

2 port ethernet 10/100/1000 Mbps iu khin ti a 50 AP (Zone1000), 500 AP (Zone3000) DHCP ServerPage 26

Nhm 12 :

MNG KHNG DY


H tr to 32 SSID trn mi AP iu khin v gim st Smart Mesh Kim sot client theo thi gian thc Ty chn hin th Dashboard (bng gim st) Qun l tn s v cng sut Kh nng b li ng i H tr xc thc thng qua AD/Radius/LDAP hoc database tch hp (1000 user vi Zone1000 v 5000 user vi Zone3000) H tr bo mt Dyamic PSK (key ng) H tr Hotspot xc thc thng qua WISPr Pht hin cc AP gay nhiu v bn hin th Gim st kh nng thc thi v thng k H tr SNMP

IV. nh Gi- H thng chng ti trin khai p ng c yu cu khch hng c th truy cp mng bt k u trong 2 ta nh ca h thng. - Tc trong trng hp nhiu ngi cng truy cp ng thi t 3Mbps vn c kh nng p ng truy cp mng tc cao. - H thng mng khng dy tch hp hon ton vi cc chnh sch bo mt ca mng c dy hin ti. H thng a vo s dng tt. Cc thit b c s dng m bo phc v t , h tr cao nht Tc truy cp n nh Cc thit b pht sng lm vic tt, tn hao do cc vt cn, vt gy nhiu l khng nhiu - H tr ng k cho h thng mng c dy.

Nhm 12 :

Page 27

MNG KHNG DY V. Bng Bo Gi:Tn thit b Access point C3000 antenna semi-directional OLW800 Anten Parabol Comstar 3.6m ZoneDirector 1000 WLAN Controller Chi ph xy dng ct anten Ph kho st v lp t Tng


S lng n gi 26 10.000.000/cai 1 3.000.000/cai 3 40.000.000/cai 4 20.000.000/cai 2 2 12.000 usd/ci 50.000.000/ct 20.000.000

Thnh tin 260.000.000 3.000.000 120.000.000 80.000.000 528.000.000 100.000.000 20.000.000 1.111.000.000

Nhm 12 :

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