Netgear FWAG114 FWAG114 Reference Manual - Page 88
VPN Consortium Scenario 1, Gateway-to-Gateway with Preshared Secrets
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Reference Manual for the ProSafe Dual Band Wireless VPN Firewall FWAG114 VPN Consortium Scenario 1: Gateway-to-Gateway with Preshared Secrets The following is a typical gateway-to-gateway VPN that uses a preshared secret for authentication. 10.5.6.0/24 172.23.9.0/24 Gateway A Internet Gateway B 10.5.6.1 14.15.16.17 22.23.24.25 172.23.9.1 Figure 7-5: VPN Consortium Scenario 1 Gateway A connects the internal LAN 10.5.6.0/24 to the Internet. Gateway A's LAN interface has the address 10.5.6.1, and its WAN (Internet) interface has the address 14.15.16.17. Gateway B connects the internal LAN 172.23.9.0/24 to the Internet. Gateway B's WAN (Internet) interface has the address 22.23.24.25. Gateway B's LAN interface address, 172.23.9.1, can be used for testing IPsec but is not needed for configuring Gateway A. The IKE Phase 1 parameters used in Scenario 1 are: • Main mode • TripleDES • SHA-1 • MODP group 2 (1024 bits) • pre-shared secret of "hr5xb84l6aa9r6" • SA lifetime of 28800 seconds (eight hours) with no kbytes rekeying The IKE Phase 2 parameters used in Scenario 1 are: • TripleDES • SHA-1 • ESP tunnel mode • MODP group 2 (1024 bits) • Perfect forward secrecy for rekeying • SA lifetime of 3600 seconds (one hour) with no kbytes rekeying • Selectors for all IP protocols, all ports, between 10.5.6.0/24 and 172.23.9.0/24, using IPv4 subnets 7-16 Virtual Private Networking