45
MTU
Size:
Fill
in
the
MTU
size
of
MTU
Size.
The
default
value
is
1400.
Request
MPPE
Encryption:
Click
the
checkbox
to
enable
request
MPPE
encryption.
Attain
DNS
Automatically
:
Click
to
select
getting
DNS
address
for
L2
TP
support.
Please
select
SetDNSManually
if
the
L2TP
support
is
selected.
Set
DNS
Manually:
Click
to
select
getting
DNS
address
for
L2TP
support.
DNS
1:
Fill
in
the
IP
address
of
Domain
Name
Server
1.
DNS
2:
Fill
in
the
IP
address
of
Domain
Name
Server
2.
DNS
3:
Fill
in
the
IP
address
of
Domain
Name
Server
3.
Clone
MAC
Address:
Fill
in
the
MAC
address
that
is
the
MAC
address
to
be
cloned.
Enable
uPNP:
Click
the
checkbox
to
enable
uPNP
function.
Enable
IGMP
Proxy:
Click
the
checkbox
to
enable
IGMP
Proxy.