Category: GRE

GRE IPSec Tunnel – Routing over the Tunnel

GRE IPSec Tunnel – Routing over the Tunnel

Using the same topology and part of the configuration of a previous post (IPSec IKEv1 Formula) we will configure a GRE (Generic Routing Encapsulation) to allow routing protocols (IGP - Interior Gateway Protocols) through the Internet safely. IPSec IKEv1 has a minor issue related to the packets that permits through, and this will be Unicast … Continue reading GRE IPSec Tunnel – Routing over the Tunnel

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