Talking about current events with my dad recently, he gave me a sage piece of advice. He said, “Son, leave your gas can at home.” Now obviously we weren’t talking about IT, but it got me to thinking. There’s seems to be a lot of this same type of reasoning in our industry. Think about […]
This network design uses global/regional MPLS backbone as primary WAN connectivity method, with Cisco DMVPN backup. DMVPN spokes should have a regional primary hub with secondary hubs also based on location.
Throughout my career I have implemented a pretty large number of standard Cisco campus LAN designs. You know the model; a hierarchical one with access switches aggregating to a distribution layer, which then aggregates to a fast core switching layer. Pieces of the hierarchy can be collapsed into one another in situations where, for example, due to […]
Update: I’m slowly getting there, third and more accurate diagram attached below which now includes where security policies, iptables and network namespaces are deployed. I’ve now also removed the previous two incorrect diagrams as they seem to be popping up on Google. This post is just a quick response to a comment by Turing Machinæ […]