Billion Electric Company BiGuard 2, BiGuard 10 user manual Ah/E

Transport Mode :

-This mode is used to provide data security between two networks. It provides protection for the entire IP packet and is sent by adding an outer IP header corresponding to the two tunnel end-points. Since tunnel mode hides the original IP header, it provides security of the networks with private IP address space.

IP

AH/E

TC Dat

E.2.3 Tunnel Mode AH

AH is typically applied to a data packet in the following manner:

E.2.4 Tunnel Mode ESP

Here is an example of a packet with ESP applied:

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