j2sw If you are not familiar with how DNS works, please go and read this article and watch the accompanying video. In this article we will talk about the different types of DNS servers an ISP will encounter and the design considerations of implementing them into your network. Let’s jump into the three types. Cache servers … Read more
I have been a consultant for the Internet Service Provider (ISP) space for the better part of my working life. I have dealt with the technical side of the field and some of the business and back end. I have been an owner/operator/stakeholder in several ISPs since 2000. Some of these ventures have been self-funded, … Read more
SketchBloke has a good post on Mikrotik interoperability with IPSEC VPNS
Check your internet speed with Cloudflare’s very own internet speed test. https://speed.cloudflare.com/
The arguments against using 0.0.0.0/0 have been pretty much quashed by the following: Allow 0.0.0.0/8 as a valid address rangeThe longstanding prohibition against using 0.0.0.0/8 dates back to two issues with the early internet. There was an interoperability problem with BSD 4.2 in 1984, fixed in BSD 4.3 in 1986. BSD 4.2 has long since … Read more
Tower Climber movie coming soon
Recently I have been using the QoE solution from Cambium Networks on some networks. This software allows for the prioritization and shaping of traffic on a service provider’s network. We will go into the workings of this in some later posts. Here are some screenshots.
Part 1 can be viewed here -Always check layer1 first. Your momma told you it’s the simplest things in life. Most times it is that simple. -After that check layer 2. If a backhaul or fiber link can’t push data due to no connectivity then the fanciest written config in the world won’t mean a … Read more
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin Wilson’s Patreon Unlock with PatreonAlready a qualifying … Read more
Only took me about 6 years to do. Been so busy doing IPV6 for everyone else I have not done it for me. I reached Sage level on ipv6.he.net.
Took me long enough, didn’t it? You know the old saying about how mechanic rarely works on his or hers own cars. The same is true for IT folks.
