I had an interesting discussion with Jon Cooper in the Network Collective Slack. The discussion was around SD-WAN. We were discussing if SD-WAN is just a “glorified DMVPN” or if it’s something more than that. Note that this was a
CCDE – DMVPN Crypto Design Considerations
This post will describe some of the crypto design considerations for DMVPN. DMVPN Overview and Crypto Overhead First let’s have a quick recap of what Dynamic Multipoint VPN (DMVPN) is. DMVPN is an overlay technology where multi point GRE tunnels
CCDE – Introduction to GET VPN and GET VPN Design Considerations
Introduction to GET VPN GET VPN is a Cisco proprietary technology aimed for private WAN designs where there is a need to encrypt the traffic. This may be due to regulatory requirements or just a need to keep traffic private.
QoS Design Notes for CCDE
Trying to get my CCDE studies going again. I’ve finished the End to End QoS Design book (relevant parts) and here are my notes on QoS design. Basic QoS Different applications require different treatment, the most important parameters are: Delay: