caption: Tunnel and Transport Modes (5 of 7) Transport Mode  In this mode the IP Address in the original IP Header is left intact and readable. It uses the ex
exif: {"Image DocumentName": "Tunnel and Transport Modes (5 of 7)", "Image ImageDescription": "In this mode the IP Address in the original IP Header is left intact and readable. It uses the existing IP Header as the mechanism for routing the packet across the internet. Again, if we are using AH only then we must perform NAT before applying our VPN protocols.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}