sa3450 Network Layout Reference Guide

Hewlett-Packard VPN Server Appliance SA3110/SA3150/SA3400/SA3450 Network Layout Reference Guide 1

HP VPN Server Appliance SA3110/SA3150/SA3400/SA3450 Network Layout Reference Guide

Network Layout Reference Guide

Network Layout Reference Guide Network Layout Reference Guide

Network Layout Reference Guide

The purpose of this

Network Layout Reference Guide

is to help

you install the HP VPN Server Appliance SA3110/SA3150/

SA3400/SA3450 in your network. The term VPN device is used in

this document to refer to all of these devices.

Here are some real-world examples of how the VPN device can

be incorporated into your network infrastructure. Skim through

the following scenarios and find the ones most similar to your

network configuration. Then, note the corresponding

configuration options to help you quickly install the VPN device

into your network.

Scenarios are divided into client and LAN-to-LAN.

Client Scenarios

Client ScenariosClient Scenarios

Client Scenarios • One-armed router configuration (VPN server) with no

firewall

• Inline router configuration

• In parallel with firewall (for extranet or intranet)

• Bridge configuration

• Edge router configuration

• Behind a firewall (one-armed) that may or may not use

network address translation (NAT)

• Behind a firewall (inline) that may or may not use NAT

• VPN device as a firewall

LAN-to-LAN

LAN-to-LAN LAN-to-LAN

LAN-to-LAN

Scenarios

ScenariosScenarios

Scenarios

• In parallel with a firewall and no NAT

• In parallel with a firewall with NAT

• Behind a firewall (one-armed) that may or may not use NAT

• Behind a firewall (inline) that may or may not use NAT

• VPN device as a firewall (may or may not use NAT)