Synchronizing
clocks
in
a
network
The
Network
Time
Protocol
(NTP)
provides
a
way
to
synchronize
clocks
throughout
a
computer
network,
enabling
any
NTP
client
to
obtain
the
correct
time
from
an
NTP
server.
The
Remote
Supervisor
Adapter
II
NTP
feature
provides
a
way
to
synchronize
the
Remote
Supervisor
Adapter
II
real-time
clock
with
the
time
that
is
provided
by
an
NTP
server.
You
can
specify
the
NTP
server
that
is
to
be
used,
specify
the
frequency
with
which
the
Remote
Supervisor
Adapter
II
will
be
synchronized,
enable
or
disable
the
NTP
feature,
and
request
an
immediate
time
synchronization.
The
NTP
feature
does
not
provide
the
extended
security
and
authentication
that
are
provided
through
encryption
algorithms
in
NTP
Version
3
and
NTP
Version
4.
The
Remote
Supervisor
Adapter
II
NTP
feature
supports
only
the
Simple
Network
Time
Protocol
(SNTP)
without
authentication.
To
set
up
the
Remote
Supervisor
Adapter
II
NTP
feature
settings,
complete
the
following
steps:
1.
Log
in
to
the
Remote
Supervisor
Adapter
II
on
which
you
want
to
synchronize
the
clocks
in
the
network.
For
more
information,
see
Chapter
2,
“Opening
and
using
the
Web
interface,”
on
page
5.
2.
In
the
navigation
pane,
click
System
Settings
and
scroll
down
to
the
Network
Time
Protocol
(NTP)
area.
A
page
similar
to
the
one
in
the
following
illustration
is
displayed.
3.
You
can
select
from
the
following
setttings:
NTP
auto-synchronization
service
Use
this
selection
to
enable
or
disable
automatic
synchronization
of
the
ASM
clock
with
an
NTP
server.
NTP
server
host
name
or
IP
address
Use
this
field
to
specify
the
name
of
the
NTP
server
to
be
used
for
clock
synchronization.
NTP
update
frequency
Use
this
field
to
specify
the
approximate
interval
(in
minutes)
between
synchronization
requests.
Synchronize
Clock
Now
Click
this
button
to
request
an
immediate
synchronization
instead
of
waiting
for
the
interval
time
to
lapse.
4.
Click
Save
.
Chapter
3.
Configuring
the
Remote
Supervisor
Adapter
II
17
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