Chapter 7 Wireless
VMG1312-B Series User’s Guide
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• You m ust use different keys for different BSSs. I f t wo wireless devices have different BSSI Ds
( t hey are in different BSSs) , but have t he sam e keys, t hey m ay hear each ot her ’s
com m unicat ions ( but not com m unicat e wit h each ot her) .
• MBSSI D should not replace but rat her be used in conj unct ion wit h 802.1x securit y.
7.10.7 Preamble Type
Pream ble is used t o signal t hat dat a is com ing t o t he receiver. Short and long refer t o t he lengt h of
t he synchronizat ion field in a packet .
Short pream ble increases perform ance as less t im e sending pream ble m eans m ore t im e for sending
dat a. All I EEE 802.11 com pliant wireless adapt ers support long pream ble, but not all support short
pream ble.
Use long pream ble if you are unsure what pream ble m ode ot her wireless devices on t he net work
support , and t o provide m ore reliable com m unicat ions in busy wireless net works.
Use short pream ble if you are sure all wireless devices on t he net work support it , and t o provide
m ore efficient com m unicat ions.
Use t he dynam ic set t ing t o aut om at ically use short pream ble when all wireless devices on t he
net work support it , ot herwise t he Device uses long pream ble.
Not e: The wireless dev ices MUST
use t he sam e pr eam ble m ode in or der t o com m unicat e.
7.10.8 Wireless Distribution System (WDS)
The Device can act as a wireless net work bridge and est ablish WDS ( Wireless Dist ribut ion Syst em )
links wit h ot her APs. You need t o know t he MAC addresses of t he APs you want t o link t o. Once t he
securit y set t ings of peer sides m at ch one anot her, t he connect ion bet ween devices is m ade.
At t he t im e of writ ing, WDS securit y is com pat ible wit h ot her ZyXEL access point s only. Refer t o
your ot her access point ’s docum ent at ion for det ails.
The following figure illust rat es how WDS link works bet ween APs. Not ebook com put er
A
is a
wireless client connect ing t o access point
AP 1
.
AP 1
has no wired I nt ernet connect ion, but it can
est ablish a WDS link wit h access point
AP 2
, which has a wired I nt ernet connect ion. When
AP 1
has a WDS link wit h
AP 2
, t he not ebook com put er can access t he I nt ernet t hrough
AP 2
.
Figure 45
WDS Link Exam ple
7.10.9 WiFi Protected Setup (WPS)
Your Device support s WiFi Prot ect ed Set up ( WPS) , which is an easy way t o set up a secure wireless
net work. WPS is an indust ry st andard specificat ion, defined by t he WiFi Alliance.
WDS
AP 2
AP 1
A
Summary of Contents for VMG1312-B Series
Page 4: ...Contents Overview VMG1312 B Series User s Guide 4 Troubleshooting 289 ...
Page 14: ...Table of Contents VMG1312 B Series User s Guide 14 ...
Page 15: ...15 PART I User s Guide ...
Page 16: ...16 ...
Page 30: ...Chapter 2 The Web Configurator VMG1312 B Series User s Guide 30 ...
Page 35: ...Chapter 4 Tutorials VMG1312 B Series User s Guide 35 7 Click Apply to save your settings ...
Page 77: ...77 PART II Technical Reference ...
Page 78: ...78 ...
Page 166: ...Chapter 9 Routing VMG1312 B Series User s Guide 166 ...
Page 184: ...Chapter 10 Quality of Service QoS VMG1312 B Series User s Guide 184 ...
Page 210: ...Chapter 13 Interface Group VMG1312 B Series User s Guide 210 ...
Page 226: ...Chapter 15 Firewall VMG1312 B Series User s Guide 226 ...
Page 232: ...Chapter 17 Parental Control VMG1312 B Series User s Guide 232 ...
Page 242: ...Chapter 19 Certificates VMG1312 B Series User s Guide 242 ...
Page 246: ...Chapter 20 Log VMG1312 B Series User s Guide 246 ...
Page 250: ...Chapter 21 Traffic Status VMG1312 B Series User s Guide 250 ...
Page 256: ...Chapter 24 IGMP Status VMG1312 B Series User s Guide 256 ...
Page 260: ...Chapter 25 xDSL Statistics VMG1312 B Series User s Guide 260 ...
Page 262: ...Chapter 26 User Account VMG1312 B Series User s Guide 262 ...
Page 268: ...Chapter 29 TR 064 VMG1312 B Series User s Guide 268 ...
Page 272: ...Chapter 30 Time Settings VMG1312 B Series User s Guide 272 ...
Page 278: ...Chapter 32 Logs Setting VMG1312 B Series User s Guide 278 ...
Page 296: ...Chapter 36 Troubleshooting VMG1312 B Series User s Guide 296 ...
Page 336: ...Appendix C Pop up Windows JavaScripts and Java Permissions VMG1312 B Series User s Guide 336 ...
Page 350: ...Appendix D Wireless LANs VMG1312 B Series User s Guide 350 ...
Page 374: ...VMG1312 B Series User s Guide 374 Index ...