NETGEAR DG834GSP Router Manual PDF (Setup & Configuration Guide)

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Reference Manual for the Model Wireless ADSL Firewall Router DG834G

8-20

Virtual Private Networking (Advanced Feature)

202-10006-05, June 2005

•

The DG834G has a LAN IP address of 192.168.3.1.

•

The VPN client PC has a dynamically assigned address of 192.168.2.2.

While the connection is being established, the Connection Name field in this menu will say “SA”

before the name of the connection. When the connection is successful, the “SA” will change to the

yellow key symbol shown in the illustration above.

How to Set Up a Gateway-to-Gateway VPN Configuration

Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard.

Figure 8-20:

Gateway-to-Gateway VPN Tunnel

Set the LAN IPs on each DG834G to different subnets and configure each properly for the

Internet. The examples below assume the following settings:

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 will need to close the VPN connection in

order to have normal Internet access.

Note:

This section uses the VPN Wizard to set up the VPN tunnel using the VPNC

default parameters listed in

Table 8-2 on page 8-5

. If you have special requirements not

covered by these VPNC-recommended parameters, refer to

“How to Set Up VPN

Tunnels in Special Circumstances” on page 8-35

to set up the VPN tunnel.

A

B

VPN Tunnel

DG834G VPN

Firewall

DG834G VPN Firewall

PCs

192.168.0.1

192.168.3.1

14.15.16.17

22.23.24.25

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Reference Manual for the Model Wireless ADSL Firewall Router DG834G

Virtual Private Networking (Advanced Feature)

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202-10006-05, June 2005

Note:

The LAN IP address ranges of each VPN endpoint must be different. The connection will

fail if both are using the NETGEAR default address range of 192.168.0.x.

Table 8-4.

VPN Tunnel Configuration Worksheet

Connection Name:

GtoG

Pre-Shared Key:

12345678

Secure Association -- Main Mode or Manual Keys:

Main

Perfect Forward Secrecy -- Enabled or Disabled:

Disabled

NETBIOS -- Enabled or Disabled:

Enabled

Encryption Protocol -- DES or 3DES:

3DES

Authentication Protocol -- MD5 or SHA-1:

SHA-1

Diffie-Hellman (DH) Group -- Group 1 or Group 2:

Group 2

Key Life in seconds:

28800

(8 hours)

IKE Life Time in seconds:

3600

(1 hour)

VPN Endpoint

Local IPSec ID

LAN IP Address

Subnet Mask

FQDN or Gateway IP

(WAN IP Address)

DG834G_A

GW_A

192.168.0.1

255.255.255.0

14.15.16.17

DG834G_B

GW_B

192.168.3.1

255.255.255.0

22.23.24.25

Page 128 / 268

Reference Manual for the Model Wireless ADSL Firewall Router DG834G

8-22

Virtual Private Networking (Advanced Feature)

202-10006-05, June 2005

Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard.

1.

Log in to the DG834G on LAN A at its default LAN address of

http://192.168.0.1

with its

default user name of

admin

and password of

password

. Click the VPN Wizard link in the

main menu to display this screen. Click

Figure 8-21:

VPN Wizard Start Screen

2.

Fill in the Connection Name and the pre-shared key, select the type of target end point, and

click

Figure 8-22:

Connection Name and Remote IP Type

Enter the new Connection Name:

(e.g.,

GtoG

)

Enter the pre-shared key:

(e.g.,

12345678

)

Select the radio button:

A remote VPN Gateway

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Reference Manual for the Model Wireless ADSL Firewall Router DG834G

Virtual Private Networking (Advanced Feature)

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202-10006-05, June 2005

3.

Fill in the IP Address or FQDN for the target VPN endpoint WAN connection and click

Figure 8-23:

Remote IP

4.

Identify the IP addresses at the target endpoint which can use this tunnel, and click

Figure 8-24:

Secure Connection Remote Accessibility

Enter the WAN IP address of the remote

VPN gateway: (e.g.,

22.23.24.25

)

Enter the LAN IP settings of the remote

VPN gateway:

•

IP Address (e.g.,

192.168.3.1

)

•

Subnet Mask (e.g.,

255.255.255.0

)

Page 130 / 268

Reference Manual for the Model Wireless ADSL Firewall Router DG834G

8-24

Virtual Private Networking (Advanced Feature)

202-10006-05, June 2005

The Summary screen below displays.

Figure 8-25:

VPN Wizard Summary

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