Wireless Security Overview - ZyXEL Communications NWD2105 User Manual

Appendix A Wireless LANs
IEEE 802.11g Wireless LAN
I EEE 802.11g is fully com pat ible wit h t he I EEE 802.11b st andard. This m eans an
I EEE 802.11b adapt er can int erface direct ly wit h an I EEE 802.11g access point
( and vice versa) at 11 Mbps or lower depending on range. I EEE 802.11g has
several int erm ediat e rat e st eps bet ween t he m axim um and m inim um dat a rat es.
The I EEE 802.11g dat a rat e and m odulat ion are as follows:
Table 16 IEEE 802.11g
DATA RATE
(MBPS)
1
2
5.5 / 11
6/ 9/ 12/ 18/ 24/ 36/
48/ 54

Wireless Security Overview

Wireless securit y is vit al t o your net w ork t o pr ot ect wireless com m unicat ion
bet ween wireless client s, access point s and t he wired net work.
Wireless securit y m et hods available on t he NWD2105 are dat a encrypt ion,
wireless client aut hent icat ion, rest rict ing access by device MAC address and hiding
t he NWD2105 ident it y.
The following figure shows t he relat ive effect iveness of t hese wireless securit y
m et hods available on your NWD2105.
Table 17 Wireless Security Levels
SECURITY
LEVEL
Least
Secure
Most Secure
66
MODULATION
DBPSK ( Different ial Binary Phase Shift Keyed)
DQPSK ( Different ial Quadrat ure Phase Shift Keying)
CCK ( Com plem ent ary Code Keying)
OFDM ( Ort hogonal Frequency Division Mult iplexing)
SECURITY TYPE
Unique SSI D ( Default )
Unique SSI D wit h Hide SSI D Enabled
MAC Address Filt ering
WEP Encrypt ion
I EEE802.1x EAP wit h RADI US Server
Aut hent icat ion
Wi- Fi Prot ect ed Access ( WPA)
WPA2
NWD2105 User's Guide