Tunnel mode is used for site to site VPN, when securing communication between security gateways, concentrators, firewalls, etc. Tunnel mode provides security for the entire original IP packet, that is the headers and the payload. The other mode ESP can operate in is Transport mode, which is not as secure as it only encrypts the data portion and

4 3 3 3 Packet Tracer Configuring VPN Transport Mode - YouTube Mar 05, 2020 Generic VPN Configuration in SonicOS Enhanced Enable Keep Alive —configures the VPN tunnel to remain open as long as there is network traffic on the SA. NOTE: The Allow Advanced Routing, Enable Transport Mode, and Enable Multicast options are available for VPN policies that are configured as follows: Policy Type: Tunnel InterfaceIPSec Keying Mode: IKE using Preshared Secret or IKE using Default Encryption Settings for the Microsoft L2TP/IPSec

Tunnel mode also protects against traffic analysis; with tunnel mode, an attacker can only determine the tunnel endpoints and not the true source and destination of the tunneled packets, even if they are the same as the tunnel endpoints. When setting up a 'normal' site to site vpn the ASA uses tunnel mode.

configuration_guide_for_vpn - TP-Link The encapsulation mode determines how packets transfered in the VPN tunnel are encapsulated. You can select tunnel mode or transport mode as the encapsulation mode. For most users, it is recommended to use the tunnel mode. PFS. PFS (Perfect Forward Secrecy) determines whether the key generated in IKEv1 Phase-2 is relevant with that in IKEv1 4.3.3.3 Packet Tracer – Configuring VPN Transport Mode 4.3.3.3 Packet Tracer – Configuring VPN Transport Mode Answers Packet Tracer – Configuring VPN Transport Mode (Answers Version) Answers Note: Red font color or gray highlights indicate text that appears in the Answers copy only. Addressing Table Device Private IP Address Public IP Address Subnet Mask Site Private_FTP server 10.44.2.254 N/A 255.255.255.0 Gotham Healthcare Branch

Enable Keep Alive —configures the VPN tunnel to remain open as long as there is network traffic on the SA. NOTE: The Allow Advanced Routing, Enable Transport Mode, and Enable Multicast options are available for VPN policies that are configured as follows: Policy Type: Tunnel InterfaceIPSec Keying Mode: IKE using Preshared Secret or IKE using

IPsec can actually operate in two different modes: IPsec tunnel mode and IPsec transport mode. Deciding which IPsec mode to use depends dramatically on your network topology and the purpose of your VPN. To help explain these modes and their applications, we will provide a few examples in the following articles: Part 1: IPsec tunnel mode