Virtual
Access
Point
Settings
D-Link
Unified
Access
Point
Administrator’s
Guide
November
2011
Page
77
Unified
Access
Point
Administrator’s
Guide
RADIUS
IP
Address
RADIUS
IPv6
Address
Enter
the
IPv4
or
IPv6
address
for
the
primary
RADIUS
server
for
this
VAP.
If
the
IPv4
RADIUS
IP
Address
Type
option
is
selected
in
the
previous
field,
enter
the
IP
address
of
the
RADIUS
server
that
all
VAPs
use
by
default,
for
example
192.168.10.23.
If
the
IPv6
RADIUS
IP
Address
Type
option
is
selected,
enter
the
IPv6
address
of
the
primary
global
RADIUS
server,
for
example
2001:0db8:1234::abcd.
RADIUS
IP
or
IPv6
Address
1
–
3
Enter
up
to
three
IPv4
and/or
IPv6
addresses
to
use
as
the
backup
RADIUS
servers
for
this
VAP.The
field
label
is
RADIUS
IP
Address
when
the
IPv4
RADIUS
IP
Address
Type
option
is
selected
and
RADIUS
IPv6
Address
when
the
IPv6
RADIUS
IP
Address
Type
option
is
selected.
If
authentication
fails
with
the
primary
server,
each
configured
backup
server
is
tried
in
sequence.
RADIUS
Key
Enter
the
RADIUS
key
in
the
text
box.
The
RADIUS
Key
is
the
shared
secret
key
for
the
global
RADIUS
server.
You
can
use
up
to
63
standard
alphanumeric
and
special
characters.
The
key
is
case
sensitive,
and
you
must
configure
the
same
key
on
the
AP
and
on
your
RADIUS
server.
The
text
you
enter
will
be
displayed
as
“*”
characters
to
prevent
others
from
seeing
the
RADIUS
key
as
you
type.
RADIUS
Key
1
–
3
Enter
the
RADIUS
key
associated
with
the
configured
backup
RADIUS
servers.
The
server
at
RADIUS
IP
Address
‐
1
uses
RADIUS
Key
‐
1,
RADIUS
IP
Address
‐
2
uses
RADIUS
Key
‐
2,
and
so
on.
Enable
RADIUS
Accounting
Select
this
option
to
track
and
measure
the
resources
a
particular
user
has
consumed
such
as
system
time,
amount
of
data
transmitted
and
received,
and
so
on.
If
you
enable
RADIUS
accounting,
it
is
enabled
for
the
primary
RADIUS
server
and
all
backup
servers.
Enable
RADIUS
FailThrough
Select
this
option
to
allow
the
secondary
RADIUS
server
to
authenticate
wireless
clients
if
the
authentication
with
the
primary
RADIUS
server
is
unsuccessful,
or
if
the
primary
RADIUS
server
is
unavailable.
Active
Server
Specify
which
configured
RADIUS
server
to
use
as
the
active
RADIUS
server.
Broadcast
Key
Refresh
Rate
Enter
a
value
to
set
the
interval
at
which
the
broadcast
(group)
key
is
refreshed
for
clients
associated
to
this
VAP
(the
default
is
300).
The
valid
range
is
0
–
86400
seconds.
A
value
of
0
indicates
that
the
broadcast
key
is
not
refreshed.
Session
Key
Refresh
Rate
Enter
a
value
to
set
the
interval
at
which
the
AP
will
refresh
session
(unicast)
keys
for
each
client
associated
to
the
VAP.
The
valid
range
is
0
–
86400
seconds.
A
value
of
0
indicates
that
the
broadcast
key
is
not
refreshed.
Note:
After
you
configure
the
security
settings,
you
must
click
Apply
to
apply
the
changes
and
to
save
the
settings.
Table
24:
IEEE
802.1X
(Cont.)
Field
Description
