Dynamic Routing Through IPSec Without GRE – Using VTI’s

Dynamic Routing Through IPSec Without GRE – Using VTI’s

On a previous post, we created a GRE tunnel to permit routing protocol through an insecure (Internet) network and protected it with IPSec. As you all should know GRE adds another layer of encapsulation (at least 4 bytes), which means more overhead. One major advantage compared with the traditional method of IPSec is that, since … Continue reading Dynamic Routing Through IPSec Without GRE – Using VTI’s

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On road to CCNP Security

On road to CCNP Security

On my journey to CCNP Security, I am now on the final step SIMOS 300-209 (Implementing Cisco Secure Mobility Solutions), which is mainly VPNs. Here are the exam topics. Site-to -site VPNs on routers and firewalls Implement GETVPN Implement IPsec (with IKEv1 and IKEv2) - IKEv1, VTI, DVTI, Implement DMVPN (hub-Spoke and spoke-spoke) - Done … Continue reading On road to CCNP Security