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Billion 800VGT Router
Source
IP
Address
Range
:
The
source
IP
address
or
range
of
packets
to
be
monitored.
Destination
IP
address
Range
:
The
destination
IP
address
or
range
of
packets
to
be
monitored.
DSCP
Marking
:
Differentiated
Services
Code
Point
(DSCP),
it
is
the
first
6
bits
in
the
ToS
byte.
DSCP
Marking
allows
users
to
assign
specific
application
traffic
to
be
executed
in
priority
by
the
backbone
routers,
based
on
the
DSCP
value.
See
Table
4.
The
DSCP
Mapping
Table:
Note:
To
be
sure
all
the
routers
on
the
backbones
network
have
the
capability
of
executing
and
checking
DSCP
so
as
to
provide
a
QoS
network.
Table 4: DSCP Mapping Table
DSCP Mapping Table
ADSL
Router
Standard
DSCP
Disabled
None
Best
Effort
Best
Effort
(000000)
Premium
Express
Forwarding
(101110)
Gold
service
(L)
Class
1,
Gold
(001010)
Gold
service
(M)
Class
1,
Silver
(001100)
Gold
service
(H)
Class
1,
Bronze
(001110)
Silver
service
(L)
Class
2,
Gold
(010010)
Silver
service
(M)
Class
2,
Silver
(010100)
Silver
service
(H)
Class
2,
Bronze
(010110)
Bronze
service
(L)
Class
3,
Gold
(011010)
Bronze
service
(M)
Class
3,
Silver
(011100)
Bronze
service
(H)
Class
3,
Bronze
(011110)
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16
Chapter
4:
Configuration
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Billion 800VGT Router
Outbound
IP
Throttling
(LAN
to
WAN)
IP
Throttling
allows
you
to
limit
the
speed
of
IP
traffic.
The
value
entered
will
limit
the
speed
of
the
specified
application
to
the
specified
value
(Set
in
multiples
of
32kbps.)
Click Clear
You can click
Clear
to delete the existing Application.
Application
:
A
user-defined
description
to
identify
this
policy/application.
Time
Schedule
:
The
details
of
when
this
rule
of
your
prioritization
policy
is
active.
Refer
to
Time
Schedule
for
more
information.
Protocol
:
The
name
of
the
supported
protocol.
Source
Port
:
The
source
port
of
packets
to
be
monitored.
Destination
Port
:
The
destination
port
of
packets
to
be
monitored.
Source
IP
Address
Range
:
The
source
IP
address
(or
address
range)
of
packets
to
be
monitored.
Destination
IP
address
Range
:
The
destination
IP
address
(or
address
range)
of
packets
to
be
monitored.
Outbound
Rate
Limit
:
Used
to
limit
the
speed
of
outbound
traffic
(Set
in
multiples
of
32kbps.)
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Chapter
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Billion 800VGT Router
Inbound
IP
Throttling
(WAN
to
LAN)
IP
Throttling
allows
you
to
limit
the
speed
of
IP
traffic.
The
value
entered
will
limit
the
speed
of
the
specified
application
to
the
specified
value
(Set
in
multiples
of
32kbps.)
Click Clear
You can click
Clear
to delete the existing Application.
Application
:
A
user-defined
description
to
identify
this
policy/application.
Time
Schedule
:
The
details
of
when
this
rule
of
your
prioritization
policy
is
active.
Refer
to
Time
Schedule
for
more
information.
Protocol
:
The
name
of
the
supported
protocol.
Source
Port
:
The
source
port
of
packets
to
be
monitored.
Destination
Port
:
The
destination
port
of
packets
to
be
monitored.
Source
IP
Address
Range
:
The
source
IP
address
(or
address
range)
of
packets
to
be
monitored.
Destination
IP
address
Range
:
The
destination
IP
address
(or
address
range)
of
packets
to
be
monitored.
Inbound
Rate
Limit
:
Used
to
limit
the
speed
of
inbound
traffic
(Set
in
multiples
of
32kbps.)
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Chapter
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Configuration
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Billion 800VGT Router
Mission-critical applications
Often,
a
VPN
connection
is
a
mission-critical
application
for
exchanging
data
between
Head
and
Branch
offices.
This
mission-critical
application
must
be
connected
smoothly,
without
any
dropping.
To
ensure
this,
you
should
set
the
priority
to
the
high
level
to
preventing
any
other
applications
from
saturating
the
bandwidth.
Voice applications
Voice
applications
are
latency-sensitive.
Most
VoIP
devices
use
the
SIP
protocol,
which
automatically
assigns
a
port
number.
.
This
means
that
it
is
better
to
use
a
fixed
IP
address
to
catch
VoIP
packets
and
rout
them
as
high
priority
traffic.
The
settings
shown
above
will
help
to
improve
the
quality
of
your
VoIP
service
when
the
link
is
fully
loaded.
Restricted Application
Some
users
will
setup
a
FTP
server
for
downloading
of
their
files
by
means
of
FTP.
The
above
settings
will
help
to
limit
utilization
of
upstream
bandwidth
by
the
FTP
connections.
A
time
schedule
can
be
implemented
to
limit
file
downloads
to
non-busy
times.
Advanced setting by using IP throttling
With
IP
throttling
you
can
specify
more
detail
for
bandwidth
allocation;
even
if
applications
are
located
on
the
same
level.
Upstream:
928kbps
(29*32kbps)
Mission-critical
Application:
192kbps
(6*32kbps)
Voice
Application:
128kbps
(4*32kbps)
Restricted
Application:
160kbps
(5*32kbps)
Other
Applications:
448kbps
(14*32kbps)
6+4+14+5=29,
29*32kbps=928kbps
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20
Chapter
4:
Configuration
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