User's Manual

Chapter 4
Advanced Configuration
14
Wireless-N ADSL2+ Gateway
Wire
l
ess C
l
ient Lis
t
To a
dd
a
d
evice to t
h
e MAC A
dd
ress Fi
l
ter List, c
l
ic
k
t
h
e
d
evice’s A
dd
to MAC
F
i
l
ter
L
i
s
t
c
h
ec
kb
ox, t
h
en c
l
ic
k
A
dd
. To retrieve the most up-to-date in
f
ormation, clic
k
Re
f
res
h
. To exit t
h
is screen an
d
return to t
h
e Wire
l
es
s
MA
C
Fi
l
te
r
screen, click
r
C
l
os
e
.
MA
C
0
1
-
5
0
Enter the MAC addresses o
f
the devices
w
h
ose wire
l
ess access you want to
bl
oc
k
or a
ll
ow
.
C
l
ic
k
S
ave
S
et
t
i
ngs
to app
l
y your c
h
anges, or c
l
ic
k
Cance
l
C
h
anges to cance
l
your c
h
anges
.
Wire
l
ess > A
d
vance
d
Wire
l
ess Setting
s
T
h
e A
d
vance
d
Wire
l
es
s
S
ettings screen is use
d
to set up t
h
e
Gatewa
y
’s advanced wireless
f
unctions. These settings
s
h
ou
ld
on
l
y
b
e a
d
juste
d
b
y an expert a
d
ministrator as
incorrect settings can reduce wireless per
f
ormance
.
Wire
l
ess > A
d
vance
d
Wire
l
ess Settin
gs
A
d
vance
d
Wire
l
es
s
AP Iso
l
a
t
i
on
T
h
is iso
l
ates a
ll
wire
l
ess c
l
ients an
d
wire
l
ess
devices on your network
f
rom each other. Wireless devices
wi
ll
b
e a
bl
e to communicate wit
h
t
h
e Gateway
b
ut not
with each other. To use this
f
unction, click Ena
ble
. A
P
Isolation is disabled by de
f
ault.
Aut
h
en
t
i
ca
t
i
on
T
yp
e
The de
f
ault is
A
ut
o
, w
h
ic
h
a
ll
ows
eit
h
er Open System or S
h
are
d
Key aut
h
entication to
b
e
use
d
. Wit
h
Open System aut
h
entication, t
h
e sen
d
er an
d
the recipient do NOT use a WEP key
f
or authentication.
Wit
h
S
h
are
d
Key aut
h
entication, t
h
e sen
d
er an
d
recipient
use a WEP key
f
or authentication. Select S
h
are
d
Ke
y
t
o
on
l
y use S
h
are
d
Key aut
h
entication.
B
a
s
i
c
R
at
e
T
h
e Basic Rate setting is not actua
ll
y one rate
o
f
transmission but a series o
f
rates at which the device
can transmit. T
h
e
d
evice wi
ll
a
d
vertise its Basic Rate to t
h
e
ot
h
er wire
l
ess
d
evices in your networ
k
, so t
h
ey
k
now w
h
ic
h
rates wi
ll
b
e use
d
. T
h
e
d
evice wi
ll
a
l
so a
d
vertise t
h
at it wi
ll
automatically select the best rate
f
or transmission. The
de
f
ault setting is De
f
aul
t
, w
h
en t
h
e
d
evice can transmit
at a
ll
stan
d
ar
d
wire
l
ess rates (1-2M
b
ps, 5.5M
b
ps, 11M
b
ps,
18M
b
ps, an
d
24M
b
ps). Ot
h
er options are
1
-2M
b
p
s
,
f
or use
wit
h
o
ld
er wire
l
ess tec
h
no
l
ogy, an
d
A
ll
, w
h
en t
h
e
d
evice
can transmit at a
ll
wire
l
ess rates
.
T
rans
m
i
ss
i
on
R
at
e
The rate o
f
data transmission should
be set depending on the speed of your wireless network.
You can select
f
rom a range o
f
transmission speeds, or you
ca
n
select
Auto
to
h
ave t
h
e
d
evice automatica
ll
y use t
h
e
fastest possible data rate and enable the Auto-Fallbac
k
f
eature. Auto-Fallback will negotiate the best possible
connection spee
d
b
etween t
h
e
d
evice an
d
a wire
l
ess
client. The default setting is
A
ut
o
.
N
T
rans
m
i
ss
i
on
R
at
e
The rate o
f
data transmission
should be set depending on the speed o
f
your Wireless-N
networking. You can select
f
rom a range o
f
transmission
spee
d
s, or you can se
l
ect
A
ut
o
to
h
ave t
h
e
d
evice
automatically use the
f
astest possible data rate and enable
the Auto-Fallback
f
eature. Auto-Fallback will negotiate the
b
est possi
bl
e connection spee
d
b
etween t
h
e
d
evice an
d
a
wireless client. The de
f
ault settin
g
is
A
ut
o
.
C
T
S
Protec
t
i
on Mo
de
CTS (C
l
ear-To-Sen
d
) Protection
Mode’s de
f
ault setting i
s
D
i
sa
ble
. Se
l
ect
A
ut
o
so t
h
e
d
evice
wi
ll
automatica
ll
y use CTS Protection Mo
d
e w
h
en your
Wire
l
ess-N an
d
Wire
l
ess-G pro
d
ucts are experiencing severe
pro
bl
ems an
d
are not a
bl
e to transmit to t
h
e
d
evice in an
environment with heavy 802.11b tra
ff
ic. This
f
unction boosts
t
h
e
d
evice’s a
b
i
l
ity to catc
h
a
ll
Wire
l
ess-N an
d
Wire
l
ess-G
transmissions but will severely decrease per
f
ormance
.
Beacon Interva
l
Enter a va
l
ue
b
etween 1 an
d
65,535
mi
ll
isecon
d
s. T
h
e Beacon Interva
l
va
l
ue in
d
icates t
h
e
f
requenc
y
interval o
f
the beacon. A beacon is a packet
b
roa
d
cast
b
y t
h
e Gateway to sync
h
ronize t
h
e wire
l
ess
network(s). The default value is
1
00
.
DTIM Interval T
h
is va
l
ue,
b
etween 1 an
d
255, in
d
icates
the interval o
f
the Delivery Tra
ff
ic Indication Message
(DTIM). A DTIM field is a countdown field informing
clients o
f
the next window
f
or listening to broadcast and
multicast messages. When the Gateway has bu
ff
ered
broadcast or multicast messages for associated clients, it
sen
d
s t
h
e next DTIM wit
h
a DTIM Interva
l
va
l
ue. Its c
l
ients
h
ear t
h
e
b
eacons an
d
awa
k
en to receive t
h
e
b
roa
d
cast
and multicast messages. The de
f
ault value is
1
.
F
ragmenta
t
i
on T
h
res
h
o
ld
This value speci
f
ies the
maximum size
f
or a packet be
f
ore data is
f
ragmented