Aug
02
DMVPN stands for Dynamic Multipoint VPN and it is an effective solution for dynamic secure overlay networks. In short, DMVPN is combination of the following technologies: 1) Multipoint GRE (mGRE) 2) Next-Hop Resolution Protocol (NHRP) 4) Dynamic Routing Protocol (EIGRP, RIP, OSPF, BGP) 3) Dynamic IPsec encryption 5) Cisco Express Forwarding (CEF) Assuming that reader has a general understanding of what DMVPN is and a solid understanding of IPsec/CEF, we are going to describe the role and... Read More
Feb
19
UPDATE: For more information on Redistribution see the video series Understanding Route Redistribution – Excerpts from CCIE R&S ATC Simple Redistribution Step-by-Step We're going to take our basic topology from the previous post Understanding Redistribution Part I , and configure to provide full connectivity between all devices with the most simple configuration. Then we are going to tweak some settings and see how they affect redistribution and optimal routing. This is going to be an... Read More
Feb
09
UPDATE: For more information on Redistribution see the video series Understanding Route Redistribution – Excerpts from CCIE R&S ATC Read More

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