Wireless Ap Troubleshooting - ZyXEL Communications NWA3560-N User Manual

2 Check t he signal st rengt h. I f t he signal is weak, t ry m oving t he device closer t o t he AP ( if possible) ,
and look around t o see if t here are any devices t hat m ight be int erfering wit h t he wireless net work
( m icrowaves, ot her wireless net works, and so on) .
3 Reboot t he device.
4 I f t he problem cont inues, cont act t he net work adm inist rat or or vendor, or t ry one of t he advanced
suggest ions.
Adva n ce d Sugge st ions
Check t he set t ings for QoS. I f it is disabled, you m ight consider act ivat ing it . I f it is enabled,
you m ight consider raising or lowering t he priorit y for som e applicat ions.

21.5 Wireless AP Troubleshooting

I cannot access t he device or ping any com put er from t he WLAN.
1 Make sure t he wireless LAN is enabled on t he device
2 Make sure t he wireless adapt er on t he wireless st at ion is working properly.
3 Make sure t he wireless adapt er ( inst alled on your com put er) is I EEE 802.11 com pat ible and
support s t he sam e wireless st andard as t he device.
4 Make sure your com put er ( wit h a wireless adapt er inst alled) is wit hin t he t ransm ission range of t he
device.
5 Check t hat bot h t he device and your wireless st at ion are using t he sam e wireless and wireless
securit y set t ings.
6 Make sure t raffic bet ween t he WLAN and t he LAN is not blocked by t he firewall on t he device.
7 Make sure you allow t he device t o be rem ot ely accessed t hrough t he WLAN int erface. Check your
rem ot e m anagem ent set t ings.
Hackers have accessed m y WEP- encr ypt ed wireless LAN.
WEP is ext rem ely insecure. I t s encrypt ion can be broken by an at t acker, using widely- available
soft ware. I t is st rongly recom m ended t hat you use a m ore effect ive securit y m echanism . Use t he
st rongest securit y m echanism t hat all t he wireless devices in your net work support . WPA2 or WPA2-
PSK is recom m ended.
The wireless securit y is not following t he re- aut hent icat ion t im er set t ing I specified.
NWA3000-N Series User's Guide
Chapter 21 Troubleshooting
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