ppt
DESCRIPTION
powerpoint ppt ppsTRANSCRIPT
![Page 1: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/1.jpg)
Beheer van draadloze netwerken
IC-M1213-03-005
Nascholing ICT-CoördinatorenJos Vens
Thierry Bogemans2013
Vlaams Verbond van het Katholiek Secundair OnderwijsGuimardstraat 1, 1040 Brussel
![Page 2: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/2.jpg)
[email protected]@vsko.be
![Page 3: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/3.jpg)
Inhoud• Draadloze netwerken: overzicht• Verbinden van een client met een AP• Site survey• Interessante software• Beveiliging – WEP-crack• Opzetten van een bridge• Entreprise-oplossing• Captive portal met pfSense• Voorbeelden van goede praktijk
![Page 4: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/4.jpg)
Belangrijkste technologieënLokaal gebruik protocol snelheid afstand
IrDA communicatie met randapparatuur 9,6 kbit/s tot 4 Mbit/s 10 m.
Bluetooth communicatie met randapparatuur 1 Mbit/s 10 m.
Wi-Fi lokale netwerken IEEE 802.11 11 Mbit/s - 108 Mbit/s. 50 - 100 m.
Mobiel gebruik protocol snelheid
GPRS / EDGE mobiel internet GSM 9-21,4 kbit/s / 128 kbit/s
UMTS / HSDPA mobiel internet UMTS 384 kbit/s / 1.8 - 14.4 Mbit/s
In ontwikkeling gebruik protocol snelheid afstand
UWB lokale netwerken nog niet vastgesteld 10 Gbit/s 10 m.
WiMAX WAN IEEE 802.16 20-70 Mbit/s 10-50 kilometer
![Page 5: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/5.jpg)
Snelheid versus mobiliteit
![Page 6: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/6.jpg)
![Page 7: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/7.jpg)
Logo’s
![Page 8: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/8.jpg)
Selecteren van netwerken
![Page 9: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/9.jpg)
Interferentie
![Page 10: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/10.jpg)
Kanalen
![Page 11: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/11.jpg)
Frequentielijst
![Page 12: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/12.jpg)
Congestie
![Page 13: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/13.jpg)
Interferentie oplossen
![Page 14: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/14.jpg)
Interferentie probleem
![Page 15: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/15.jpg)
Hotspot
![Page 16: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/16.jpg)
Telenet Hotspot A’pen Centraal
![Page 17: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/17.jpg)
Antenne’s
![Page 18: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/18.jpg)
Omni-directioneel: 360°
![Page 19: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/19.jpg)
Directioneel: 40°
![Page 20: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/20.jpg)
Sector-antennes: 60° à 120°
![Page 21: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/21.jpg)
![Page 22: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/22.jpg)
MIMO en Super G (108M)
![Page 23: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/23.jpg)
Multipath fading
![Page 24: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/24.jpg)
Stappen tot connectie
• Scanning = zoeken naar BSS• Joining = kiezen van een draadloos netwerk• Authenticatie = open system of shared key• Associatie = onderhandeling en beslissing
![Page 25: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/25.jpg)
Site survey
![Page 26: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/26.jpg)
Beveiliging
![Page 27: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/27.jpg)
ZoneFlex Smart Antenna
http://www.wlanmall.com/zoneflex-2942-wifi-access-point-element-smart-antenna-support-p-1020.html
![Page 28: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/28.jpg)
Voorbeelden van goede praktijk
• WLAN geïntegreerd in LAN• WLAN gescheiden van LAN• Captive portal (hotspot)• VLAN’s
![Page 29: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/29.jpg)
WLAN geïntegreerd in LAN
![Page 30: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/30.jpg)
WLAN gescheiden van LAN
![Page 31: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/31.jpg)
Captive portal (hotspot)
![Page 32: ppt](https://reader035.vdocuments.pub/reader035/viewer/2022081520/568c36461a28ab0235977096/html5/thumbnails/32.jpg)
VLAN’s