GRE Tunnel Between Cisco and Linux

Generic Routing Encapsulation – GRE is a tunneling protocol originally developed by Cisco that encapsulates various network protocols inside virtual point-to-point tunnel. It transports multicast traffic via GRE tunnel so it allows passing of routing information between connected networks. As it lacks of security it is very often used in conjunction IP SEC VPN that on […]
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How to connect Cisco 7206VXR running inside GNS3 on Linux to Cisco Configuration Professional 2.2

The article shows how to connect router Cisco 7206VXR running inside GNS3 Linux version with Cisco Configuration Professional 2.2 (CCP). According to the reference ccp_rel_notes sheet the only router available in GNS3 and supported by CCP together is Cisco 7206VXR. Note:   Cisco IOS running on the router should minimum  12.4(9)T version. WAN connection for 7206VXR […]
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