OpenVPN AS Network Manager Import
Importing profiles from OpenVPN Access Server (OpenVPNAS) on Linux has been a challenge for quite a few users. OpenVPN Access Server (OpenVPNAS) gives us a single configuration file and does…
What is a VRF?
What is a VRF? Many times I've been asked by people both in and out of the networking field questions about VRFs. What is a VRF and how is it…
WhiteBox Switching Providers
Whitebox Network Operating Systems** WhiteBox switching providers definition: these are providers of either an entire OS or an application that help to provide functionality to multiple types of switching hardware.…
Email Updating ARIN IRR
While obtaining a new IP block, updating ARIN IRR, was something that I had never done before and the instructions to accomplish this were lacking, at best. ARIN email updating,…
Change Linux (Cumulus) IP address without losing connectivity
I was having some problems with cumulus, I needed to change an IP address of an interface without loosing connectivity, so I had to do the following: First you have…
KVM bridge with Bonding on Ubuntu
I was running into a bunch of problems with KVM bridging and Ubuntu Bonding (LACP) but I was able to resolve this by using the following network config: Printout from…
Minute MTR
Have you ever needed to run an MTR, (basically a traceroute) and save it to a file and then delete the files after a specified amount of time? I have…
What is Software Defined Networking or SDN?
What is software Defined Networking: Wikipedia Says This I have found that all of the major players are bringing out products that qualify for a type of Software Defined Networking. This…
BGP Changes – how has this propagated?
Making BGP changes can be a daunting tasks and when there's an error during BGP changes the effects can be felt for an entire data-center over an extended period of…
Classful Subnetting Tricks
Here are some Classful Subnetting tricks that I learned while preparting for my CCNA Cert - I'm sure that brushing up on these can't hurt anything. Any time that you break…