GRE tunnels between Cisco and Linux routers using iproute

This article was first written in August 2004 for the BeezNest technical website (http://glasnost.beeznest.org/articles/167). GRE tunnels between Cisco and Linux (2.4 and up) routers are possible. Given the following two routers, each one gateway for its network: linux Public IP:…

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IP in IP or GRE tunnel using iproute

This article was first written in August 2004 for the BeezNest technical website (http://glasnost.beeznest.org/articles/166). Setting an IP in IP or GRE tunnel using iproute between two Linux routers is relatively easy. Given the following two routers, each one gateway for…

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