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Page 86 / 177 Scroll up to view Page 81 - 85
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Chapter 6.
Virtual Private Networking
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
a.
In the Network Security Policy list on the left side of the Security Policy Editor window,
click
My Identity
.
b.
In the Select Certificate drop-down list, select
None
.
c.
In the ID Type drop-down list, select
IP Address
. If you are using a virtual fixed IP
address, enter this address in the Internal Network IP Address field. Otherwise,
leave this field empty.
d.
In the Internet Interface section of the screen, select the adapter that you use to
access the Internet. If you have a dial-up Internet account, select
PPP Adapter
in
the Name list. If you have a dedicated cable or DSL line, select your Ethernet
adapter. If you will be switching between adapters or if you have only one adapter,
select
Any
.
e.
In the My Identity section of the screen, click the
Pre-Shared Key
button. The
Pre-Shared Key screen displays:
f.
Click
Enter Key
. Enter the N300 wireless modem router pre-shared key, and then
click
OK
. In this example, 12345678
is entered, though asterisks are displayed in the
field. This field is case-sensitive.
5.
Configure the VPN client authentication proposal.
In this step, you provide the type of encryption (DES or 3DES) to be used for this
connection. This selection must match your selection in the N300 wireless modem router
configuration.
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Chapter 6.
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N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
a.
In the Network Security Policy list on the left side of the Security Policy Editor window,
expand the Security Policy heading by double-clicking its name or clicking the
+
symbol.
b.
Expand the Authentication subheading by double-clicking its name or clicking the
+
symbol. Then select
Proposal 1
below Authentication.
c.
In the Authentication Method drop-down list, select
Pre-Shared key
.
d.
In the Encrypt Alg drop-down list, select the type of encryption that is configured for
the encryption protocol in the N300 wireless modem router, as listed in
Table
1
on
page
78. This example uses Triple DES.
e.
In the Hash Alg drop-down list, select
SHA-1
.
f.
In the SA Life drop-down list, select
Unspecified
.
g.
In the Key Group drop-down list, select
Diffie-Hellman Group 2
.
6.
Configure the VPN client key exchange proposal.
In this step, you provide the type of encryption (DES or 3DES) to be used for this
connection. This selection must match your selection in the N300 wireless modem router
configuration.
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Chapter 6.
Virtual Private Networking
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
a.
Expand the Key Exchange subheading by double-clicking its name or clicking the
+
symbol. Then select
Proposal 1
below Key Exchange.
b.
In the SA Life drop-down list, select
Unspecified
.
c.
In the Compression drop-down list, select
None
.
d.
Select the
Encapsulation Protocol (ESP)
check box.
e.
In the Encrypt Alg drop-down list, select the type of encryption that is configured for
the encryption protocol in the N300 wireless modem router, as listed in
Table
1
on
page
78. This example uses Triple DES.
f.
In the Hash Alg drop-down list, select
SHA-1
.
g.
In the Encapsulation drop-down list, select
Tunnel
.
h.
Leave the
Authentication Protocol (AH)
check box cleared.
7.
Save the VPN client settings.
In the Security Policy Editor window, select
File > Save
.
After you have configured and saved the VPN client information, your PC automatically
opens the VPN connection when you attempt to access any IP addresses in the range of
the remote VPN router’s LAN.
8.
Check the VPN connection.
To check the VPN connection, you can initiate a request from the remote PC to the N300
wireless modem router’s network by using the Connect option in the NETGEAR ProSafe
menu bar. The NETGEAR ProSafe client reports the results of the attempt to connect.
Since the remote PC has a dynamically assigned WAN IP address, it must initiate the
request.
To perform a ping test using our example, start from the remote PC:
a.
Establish an Internet connection from the PC.
b.
On the Windows taskbar, click the
Start
button, and then select
Run
.
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N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
c.
Type
ping -t 192.168.3.1
, and then click
OK
.
This causes a continuous ping to be sent to the first N300 wireless modem router.
After between several seconds and 2 minutes, the ping response should change from
timed out
to
reply
.
Once the connection is established, you can open a browser on the PC and enter the
LAN IP address of the remote gateway. After a short wait, you should see the login
screen of the N300 wireless modem router (unless another PC is already logged in to the
N300 wireless modem router).
You can view information about the progress and status of the VPN client connection by
opening the NETGEAR ProSafe Log Viewer.
To launch this function, click the Windows
Start
button, then select
Programs >
NETGEAR ProSafe VPN Client > Log Viewer
. The Log Viewer screen for a successful
connection is shown in the following figure:
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Chapter 6.
Virtual Private Networking
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
Note:
Use the active VPN tunnel information and pings to determine
whether a failed connection is due to the VPN tunnel or some reason
outside the VPN tunnel.
9.
The Connection Monitor screen for this connection is shown in the following figure:
In this example you can see these settings:
•
The N300 wireless modem router has a GW address (public IP WAN address) of
22.23.24.25.
•
The N300 wireless modem router has a remote address (LAN IP address) of 192.168.3.1.
•
The VPN client PC has a local address (dynamically assigned address) of 192.168.2.2.
While the connection is being established, the Connection Name field in this screen displays
SA before the name of the connection. When the connection is successful, the SA changes
to the yellow key symbol shown in the previous figure.
Note:
While your PC is connected to a remote LAN through a VPN, you
might not have normal Internet access. If this is the case, you must
close the VPN connection to have normal Internet access.
Setting Up a Gateway-to-Gateway VPN Configuration
Note:
This section describes how to use the VPN Wizard to set up the
VPN tunnel using the VPNC default parameters listed in
Table
2
on
page
79. If you have special requirements not covered by these
VPNC-recommended parameters, see
Setting Up VPN Tunnels in
Special Circumstances
on page
100 for information about how to set
up the VPN tunnel.
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