LANCOM LCOS 9.00 Referenzhandbuch Seite 13

12.1 Einleitung............................................................................................................................................670
12.2 LANCOM Active Radio Control (ARC)...................................................................................................670
12.3 Anwendungsszenarien.........................................................................................................................671
12.3.1 Infrastruktur-Modus.............................................................................................................671
12.3.2 Hotspot oder Gastzugang....................................................................................................672
12.3.3 Managed-Modus.................................................................................................................673
12.3.4 WLAN-Bridge (Point-to-Point)..............................................................................................673
12.3.5 WLAN-Bridge im Relais-Betrieb............................................................................................674
12.3.6 WLAN-Bridge zum AP - managed und unmanaged gemischt..............................................674
12.3.7 Wireless Distribution System (Point-to-Multipoint)...............................................................675
12.3.8 Client-Modus.......................................................................................................................675
12.3.9 Client-Modus bei bewegten Objekten im Industriebereich....................................................676
12.4 WLAN-Standards.................................................................................................................................676
12.4.1 IEEE 802.11n.......................................................................................................................677
12.4.2 IEEE 802.11a: 54 MBit/s......................................................................................................685
12.4.3 IEEE 802.11h - ETSI 301 893...............................................................................................685
12.4.4 IEEE 802.11g: 54 MBit/s......................................................................................................688
12.4.5 IEEE 802.11b: 11 MBit/s......................................................................................................688
12.4.6 Maximaler EIRP-Wert abhängig vom Übertragungsstandard................................................688
12.5 WLAN-Sicherheit .................................................................................................................................689
12.5.1 Grundbegriffe .....................................................................................................................689
12.5.2 IEEE 802.11i / WPA2............................................................................................................690
12.5.3 TKIP und WPA .....................................................................................................................693
12.5.4 WEP ....................................................................................................................................694
12.5.5 LEPS - LANCOM Enhanced Passphrase Security...................................................................694
12.5.6 Background WLAN Scanning...............................................................................................695
12.5.7 Erkennung von Replay-Attacken...........................................................................................696
12.5.8 WLAN Protected Management Frames (PMF).......................................................................696
12.6 Konfiguration der WLAN-Parameter.....................................................................................................699
12.6.1 Allgemeine WLAN-Einstellungen..........................................................................................700
12.6.2 WLAN-Sicherheit..................................................................................................................700
12.6.3 Auswahl der im WLAN zulässigen Stationen........................................................................705
12.6.4 Verschlüsselungs-Einstellungen............................................................................................706
12.6.5 Die physikalischen WLAN-Schnittstellen...............................................................................711
12.6.6 Die Punkt-zu-Punkt-Partner..................................................................................................721
12.6.7 Die logischen WLAN-Schnittstellen.......................................................................................722
12.6.8 IEEE 802.1x/EAP..................................................................................................................728
12.6.9 Spezielle Datenrate für EAPOL-Pakete..................................................................................729
12.6.10 Rausch-Offsets...................................................................................................................729
12.6.11 APSD - Automatic Power Save Delivery.............................................................................730
12.6.12 Experten-WLAN-Einstellugnen...........................................................................................732
12.6.13 Gruppenschlüssel pro VLAN...............................................................................................734
12.6.14 WLAN-Routing (Isolierter Modus).......................................................................................736
12.6.15 Alarm-Grenzwerte für WLAN Geräte...................................................................................737
Referenzhandbuch
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