User`s guide

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IP Addresses Location 1 Location 2
Local Networks
10.10.10.0/24 10.10.20.0/24
Local Address
212.86.0.253 213.47.0.253
Tunnel Settings Location 1 Location 2
Tunnel initiation
Active Passive
Encryption Phase
1 & 2
AES256
Hash Method
Phase 1 & 2
MD5
DH Group Phase 1
& 2
Group 1
Lifetime Phase 1
28800
Lifetime Phase 2
3600
Authentication
Shared Passphrase
In this article:
Step 1. Create the IPsec Tunnel on the Barracuda Firewall at Location 1
Step 2. Create the IPsec Tunnel on the Barracuda Firewall at Location 2
Step 3. Configure the Firewall Rule for VPN Traffic
Step 4. Verify the Order of the Firewall Rules
Step 5. Verify Successful VPN Tunnel Initiation and Traffic Flow
Step 1. Create the IPsec Tunnel on the Barracuda Firewall at Location 1
To create the IPsec tunnel:
Log into the Barracuda Firewall at Location 1.
Go to the page.VPN > Site-to-Site Tunnels
In the Site-to-Site IPSec Tunnels section, click Add .
Enter a Name for the new VPN tunnel.
In the and sections, specify these settings:Phase 1 Phase 2
Setting Value
Encryption Phase 1 & 2 Select . AES256
Hash Method Phase 1 & 2 Select .MD5
DH Group Phase 1 & 2 Select .Group 1
Lifetime Phase 1
Enter .28800
Lifetime Phase 2
Enter .3600
Specify these network settings:
Setting Value
Local End Select . Active
Local Address
Select one of the available IP addresses. If you have dynamic
ISPs configured, select .Dynamic
Local Networks
Enter ./2410.10.10.0
The network address for the locally configured LAN.