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xii
v1.0, August 2006
Internet Configuration Requirements ...................................................................... C-3
Where Do I Get the Internet Configuration Parameters? ........................................ C-4
Internet Connection Information Form .................................................................... C-5
Overview of the Planning Process ................................................................................. C-6
Inbound Traffic ........................................................................................................ C-6
Virtual Private Networks (VPNs) ............................................................................. C-6
The Roll-over Case for Firewalls With Dual WAN Ports .......................................... C-7
The Load Balancing Case for Firewalls With Dual WAN Ports ............................... C-7
Inbound Traffic ............................................................................................................... C-8
Inbound Traffic to Single WAN Port (Reference Case) ........................................... C-8
Inbound Traffic to Dual WAN Port Systems ............................................................ C-8
Inbound Traffic: Dual WAN Ports for Improved Reliability ................................ C-9
Inbound Traffic: Dual WAN Ports for Load Balancing ....................................... C-9
Virtual Private Networks (VPNs) .................................................................................. C-10
VPN Road Warrior (Client-to-Gateway) ................................................................ C-11
VPN Road Warrior: Single Gateway WAN Port (Reference Case) ................. C-12
VPN Road Warrior: Dual Gateway WAN Ports for Improved Reliability ......... C-12
VPN Road Warrior: Dual Gateway WAN Ports for Load Balancing ................ C-13
VPN Gateway-to-Gateway .................................................................................... C-14
VPN Gateway-to-Gateway: Single Gateway WAN Ports (Reference Case) .. C-14
VPN Gateway-to-Gateway: Dual Gateway WAN Ports for Improved Reliability C-15
VPN Gateway-to-Gateway: Dual Gateway WAN Ports for Load Balancing ... C-17
VPN Telecommuter (Client-to-Gateway Through a NAT Router) .......................... C-17
VPN Telecommuter: Single Gateway WAN Port (Reference Case) ............... C-18
VPN Telecommuter: Dual Gateway WAN Ports for Improved Reliability ........ C-18
VPN Telecommuter: Dual Gateway WAN Ports for Load Balancing .............. C-20
Index