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6.3
VPN
Pass
Through
VPN
Pass
Through
is
on
top
of
an
existing
network
by
passing
or
restricting
certain
protocol.
This
function
can
help
to
provide
a
secure
private
network.
PPTP
Pass
Through
Place
a
Check
to
enable
PPTP
protocol
passes
through
WAN.
L2TP
Pass
Through
Place
a
Check
to
enable
L2TP
protocol
passes
through
WAN.
IPSec
Pass
Through
Place
a
Check
to
enable
IPSec
protocol
passes
through
WAN.
Apply
/
Cancel
Press
Apply
to
apply
the
changes
or
Cancel
to
return
previous
settings.