Introduction to the Raven XE
Rev 1.0 Oct.09
8
Figure 1-5: IPSec Architecture
GRE
GRE
(Generic
Routing
Encapsulation)
tunnel
is
used
to
carry
non
‐
IP
packets
through
an
IP
Network.
Non
‐
IP
packets,
that
are
send
over
the
GRE
tunnel,
need
to
be
first
encapsulated.
Hence,
ALEOS
is
used
to
configure
and
encapsulate
non
‐
IP
packets
and
transmit
over
IP
through
the
GRE
tunnel.
Applications
Events Reporting
Events
Reporting
is
Sierra
Wireless
AirLink’s
modem’s
new
software
feature
provided
via
ACEmanager,
that
allows
the
users
to
generate
reports
from
the
events
that
take
place.
Event
Reporting
Protocol
is
an
intuitive
embedded
protocol,
which
automatically
formats
the
messages
based
on
an
event
trigger.
The
messages
generated
are
then
reported
to
the
remote
server.
Software
The
Raven
XE
modem
comes
with
the
following
software:
•
ACEview,
the
software
for
the
Raven
XE
which
allows
you
to
monitor
your
connections.
•
The
driver
that
forms
the
interface
between
the
Raven
XE
and
your
Windows
operating
system
when
using
USB
virtual
Ethernet
or
USB
virtual
serial.
•
The
firmware
that
is
stored
in
non
‐
volatile
memory
and
includes
ACEmanager.