I really want to take a moment to talk about how wonderful VRFs/firewall contexts really are. Both technologies essentially allow a network administrator to spin up a virtualized, isolated instance of a network device. I’ll be honest and say that I hadn’t had the chance…
A few years back I worked for an organization that had a single 100Mb Internet connection. Not bad for just typical corporate traffic, but we also hosted our production web site out of that location as well. An incident occurred where our website was down due to Internet issues during…
Last week in IP Address Design (Part 1) we discussed an example of a bad design for IP allocations and the problems that it caused. This week we will continue by discussing the proposed solution and how it resolved those issues. The problems with our IP Addressing scheme bothered me…
It’s funny when you think about basic networking concepts and wonder if they will ever actually prove to be useful. Kind of like that “Do I really need to learn complex geometry? When am I ever going to use this?”. What I’m here to…
Over the years I have made several attempts at starting a blog. A few on networking, general IT, or whatever came to mind. They all end up the same – I start off strong and fall off quick. Finally, I believe I’ve realized what my problem is: I…