Netgear FWAG114 FWAG114 Reference Manual - Page 174

Network Interfaces and Addresses

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Reference Manual for the ProSafe Dual Band Wireless VPN Firewall FWAG114 Network Interfaces and Addresses The VPN gateway is aptly named because it functions as a "gatekeeper" for each of the computers connected on the Local Area Network behind it. In most cases, each Gateway will have a "public" facing address (WAN side) and a "private" facing address (LAN side). These addresses are referred to as the "network interface" in documentation regarding the construction of VPN communication. Please note that the addresses used in the example. Interface Addressing This TechNote uses example addresses provided the VPN Consortium. It is important to understand that you will be using addresses specific to the devices that you are attempting to connect via IPSec VPN. 10.5.6.0/24 VPNC Example Network Interface Addressing 172.23.9.0/24 LAN IP 10.5.6.1 Gateway A 14.15.16.17 WAN IP 22.23.24.25 WAN IP Gateway B LAN IP 172.23.9.1 Figure 4-10: VPNC Example Network Interface Addressing It is also important to make sure the addresses do not overlap or conflict. That is, each set of addresses should be separate and distinct. Table 4-1. Gateway Gateway A Gateway A WAN (Internet/Public) and LAN (Internal/Private) Addressing LAN or WAN LAN (Private) WAN (Public) VPNC Example Address 10.5.6.1 14.15.16.17 E-8 Virtual Private Networking

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Reference Manual for the ProSafe Dual Band Wireless VPN Firewall FWAG114
E-8
Virtual Private Networking
Network Interfaces and Addresses
The VPN gateway is aptly named because it functions as a “gatekeeper” for each of the computers
connected on the Local Area Network behind it.
In most cases, each Gateway will have a “public” facing address (WAN side) and a “private”
facing address (LAN side). These addresses are referred to as the “network interface” in
documentation regarding the construction of VPN communication. Please note that the addresses
used in the example.
Interface Addressing
This TechNote uses example addresses provided the VPN Consortium. It is important to
understand that you will be using addresses specific to the devices that you are attempting to
connect via IPSec VPN.
Figure 4-10:
VPNC Example Network Interface Addressing
It is also important to make sure the addresses do not overlap or conflict. That is, each set of
addresses should be separate and distinct.
Table 4-1.
WAN (Internet/Public) and LAN (Internal/Private) Addressing
Gateway
LAN or WAN
VPNC Example Address
Gateway A
LAN (Private)
10.5.6.1
Gateway A
WAN (Public)
14.15.16.17
Gateway A
22.23.24.25
14.15.16.17
10.5.6.0/24
172.23.9.0/24
172.23.9.1
10.5.6.1
WAN IP
WAN IP
LAN IP
LAN IP
Gateway B
VPNC Example
Network Interface Addressing