Tag: gre

Study Notes – FlexVPN Spoke-to-Spoke (PSK Auth)

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This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !—————————————-! ! FlexVPN PSK Spoke-to-Spoke (PSK Auth) ! !—————————————-! ! !To configure FlexVPN and allow dynamic Spoke to Spoke tunnels, we need to do a few things differently from the Hub and Spoke…… Continue reading Study Notes – FlexVPN Spoke-to-Spoke (PSK Auth)

Cisco IOS Route-Based VPN with IKEv1 PSK GREoIPsec and EIGRP

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This article will look at a basic configuration for a route-based VPN between two Cisco IOS routers, using IKEv1 and IPsec for tunnel protection, and EIGRP for dynamic route advertisements based on the above topology. Workflow: Verify basic routing and reachabilityCreate and configure: LAN networksTunnel interfaceEIGRP processVerify basic GRE tunnel status and reachabilityCreate and configure:…… Continue reading Cisco IOS Route-Based VPN with IKEv1 PSK GREoIPsec and EIGRP