Vigor3300 Series User’s Guide
197
5
5
.
.
2
2
.
.
8
8
E
E
x
x
a
a
m
m
p
p
l
l
e
e
3
3
-
-
V
V
o
o
I
I
P
P
o
o
v
v
e
e
r
r
V
V
P
P
N
N
Based on the VoIP Example 1(Basic Configuration and Registration), we will introduce
how to dial the VoIP call through an encrypted VPN tunnel.
In this example 3300V acts as a bridge accepting incoming VPN connections from the other
two routers (2900V and 2200V). The VPN traffic between 2900V and 2200V are all passed
through 3300V. These three sites internal networks must be within the same subnet
(192.168.X.X). Either site can ping the other two routers. Then you can make a VoIP call
through the encrypted VPN tunnel by directly dialing remote router's LAN IP. Below shows
the architecture graph:
