DMVPN configuration with Single HUB in Cisco

DMVPN or Dynamic Multipoint Virtual Private Network is a tunneling protocol, which helps to build scalable IPsec Virtual Private Networks (VPNs). In this lesson, we will learn to configure DMVPN on Cisco router with single HUB. DMVPN is combine of- mGRE (Multipoint GRE allows a single interface to support multiple…continue reading →

vPC Failure Scenarios – Impact and Solution

vPC failure scenarios are sometimes destructive. However, if you have good understanding on vPC and you follow Cisco recommended vPC design, then you can handle Virtual Port Channel (vPC) failure scenarios with confidence. In this lesson, i will be discussing different vPC Failure Scenarios, it's impact on the network and…continue reading →