Configuring a Route Based LAN to LAN VPN When Both Sides Have Static IPs Using Pre-shared Keys
Knowledge Base ID: KB4766
Version: 4.0
Published: 07 Oct 2008
Updated: 07 Oct 2008
Categories: . Firewall/IPSec_VPN
. IPSec
. ScreenOS

Synopsis:
Route Based VPN - Both Sides have Static IPs using Pre-shared Keys (SSG/ISG/NS)

Solution:

This example assumes that the pre-shared secret used is netscreen.
Below shows the settings and proposals that we will use:

Image of example

NetScreen Site A

  • Untrust IP of device 1.1.1.1
  • Trust Network 10.1.1.0/24
  • Phase 1 Proposal pre-g2-3des-sha
  • Phase 2 Proposal g2-esp-3des-sha

NetScreen Site B

  • Untrust IP of device 2.2.2.1
  • Trust Network 172.16.10.0/24
  • Phase 1 Proposal pre-g2-3des-sha
  • Phase 2 Proposal g2-esp-3des-sha

To configure your Juniper Firewall for a route based LAN to LAN VPN when both sides have static IPs using pre-shared keys, perform the following steps:

Step one: Configure Juniper Firewall Site A. For more information, go to Configuring Your Juniper Firewall Site A for a Route Based LAN to LAN VPN When Both Sides Have Static IPs Using Pre-shared Keys.

Step two: Configure Juniper Firewall Site B. For more information, go to Configuring Your Juniper Firewall Site B for a Route Based LAN to LAN VPN When Both Sides Have Static IPs Using Pre-shared Keys.

Purpose:
Troubleshooting