![]() ![]() What was often done is that GRE tunnels were encapsulated inside IPsec tunnels for encryption and authentication. Another advantage of GOP is the support for multicast routing protocols in the past. It provides a point to point connection between two routers that emulates or looks like a point to point tunnel or point to point serial link. It’s important to remember that GRC does not provide authentication and encryption. The most basic form of GRE tunnel is a point to point tunnel that allows you to transport multiple IP protocols such as IPv4 IPv 6 as well as older protocols and others across a point to point tunnel. ![]() Hi there, In this article, we’re going to discuss Generic Routing Encapsulation tunneling or GRE tunneling. ![]()
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