Sunday, April 27, 2008

GRE over IPSec with EIGRP to Route Through a Hub and Multiple Remote Sites Configuration Example - Cisco Systems

GRE over IPSec with EIGRP to Route Through a Hub and Multiple Remote Sites Configuration Example - Cisco Systems
This document explains how to configure GRE over IPSec routing through a hub site to multiple remote sites. The Cisco 7206 router is the central site router, to which all the other sites connect through IPSec. The Cisco 2610, 3620, and 3640 routers are the remote routers. All sites are able to reach the main network behind the Cisco 7206 and all other remote sites through the tunnel to the main site, with routing updates taking place automatically via Enhanced Interior Gateway Routing Protocol (EIGRP).

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