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How to configure a VPN tunnel between a
3COM Firewall and a Linksys Router
This article
describes how to configure a VPN tunnel between a 3COM SuperStack 3 Firewall
and a Linksys BEFVP41 Router.
A. Configuring the
SuperStack 3
Firewall:
·
Enable VPN on the SuperStack
3
·
Type the name on The Unique
Firewall ID, which can be anything you wan to.
·
On the "VPN Configure" tab
specify the following:
-
Security
Association: Add new SA
-
IPSec Keying Mode:
IKE using pre-shared secret
-
SA Name:
ChicahoTech that can be name you wan to.
-
IPSec Gateway
Address: x.x.x.x (your
local gateway)
-
SA life time (secs):
28800
-
Encryption Method:
Encrypt and Authenticate (ESP DES HMAC MD5)
-
Shared Secret:
Specify a shared secret
-
Destination
Networks: Specify the
LAN subnet on the Linksys side. For example, 192.168.1.0.
B. Configuring the
Linksys BEFVP41 Device:
-
Tunnel Name:
ChicahoTech that can be name you wan to.
-
Local Secure group:
Choose "subnet" and specify the Local LAN + subnet mask Note: don’t use
0.0.0.0.
-
Remote Secure
Group: Choose "subnet"
and specify the Lan IP information on the SuperStack 3 side of the
connection. Note: don’t use 0.0.0.0.
-
Remote Security
Gateway: Choose "IP
Address" and specify the NAT Public IP address of the SuperStack 3. Note:
don’t use 0.0.0.0.
-
Encryption:
DES
-
Authentication:
MD5
-
Key Management:
Auto (IKE). Note: Don’t check the box for PFS
-
Pre-Shared Secret:
Same shared secret specified on the 3Com
-
Key Lifetime:
28800
-
Operation Mode:
Main Mode
-
Proposal 1:
- Encryption: DES
- Authentication:
MD5
- Group: 768-bit
- Key Lifetime:
28800
Encryption:
DES
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