From Openswan Wiki

Openswan: Interoperate

Getting Openswan to connect to various other devices in the networking world:

• Linksys BEFVP41 and possibly other Linksys Products
• Win2K Windows 2000 and Windows XP
• L2TP issues (some Windows configurations)
• Microsoft Pocket PC 2003 and Windows Mobile 5.0
• Nortel Contivity
• CiscoPIX
• Equinux VPN Tracker Mac OS X roadwarrior config
• Lucent VPN Firewall Better known as the 'brick'
• Netgear
  • Netgear VPN Routers - generic information
  • Netgear FVS318
  • Netgear FVS338
  • Netgear ProSafe VPN (software) Client
• D-Link
  • DI-804HV
  • DI-808HV
• SonicWALL VPN Appliance
• ZyWall 5 or 35
• interoperatingIsakmpd
• Check Point VPN-1 or FW-1
• IPv4 Transport mode connection with OpenBSD
• IPv6 Transport mode connection with OpenBSD ?
• Add in your own guides here.