More from Packets DownRange
Networking guides, field notes, and updates from Justin Wilson.
Cambium QOE DPI
As an ISP you probably have an inkling of where your customers are pulling data from. With the new Cambium QOE software, you can know for sure. What do you notice about this? -Netflix-Roku-Youtube-Amazon Video-HuluAll streaming services. Your customers are consuming more and more video content.
2.5 GHZ spectrum in the United States
Soon we should be hearing about the timing and procedures for Auction 108: 2.5GHz Band. This auction is also been discussed as the EBS (Educational Broadcast Service) Whitespace auction since it is offering the unlicensed spectrum that was previously reserved for educational groups. In the maps below, we are going to use the data from our Mobile Carrier … Read more
DNS in ISP networks and why you should care
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
ISP consultants.How to hire and engage Part 1
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
Mikrotik IPSEC VPN interoperability
SketchBloke has a good post on Mikrotik interoperability with IPSEC VPNS
Cloudflare Internet speedtest
Check your internet speed with Cloudflare’s very own internet speed test. https://speed.cloudflare.com/
The arguments against 0.0.0.0/8
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
Vertical Freedom – Tower Climber movie
Tower Climber movie coming soon
Cambium QOE traffic screenshots
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.
Musings of an ISP Engineer part 2
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