Don’t try this at home kids. Automated BGP Optimization
https://radar.qrator.net/blog/as10990-routing-optimization-taleConclusion? Do not try to optimize the routes with automated software – BGP is a distance-vector routing protocol that has proved, throughout the years, its ability to handle the traffic. Software, wanting to “optimize” the system involving thousands of members …
Preseem and Switches in switch centric design
Anyone who follows me knows I am a big fan of switch centric designs. This usually involves a router on a stick paired with a high port count switch. Recently I had a client that installed a Preseem appliance in …
Siklu Case study 80 GHZ Indianapolis Indiana
Some photos from a Siklu 80GHZ deployment in Downtown Indianapolis, Indiana. This was deployed by On-Ramp Indiana (https://www.ori.net). The problem being solved is moving video files around a network in order to get it to smart screens and projectors. This …
Wireless ISP Network IP Scheme
For those of you starting out in the WISP field here is a good overview of a scalable Ip scheme for your WISP network. There are some caveats to this, which we will discuss later. This does not address IPV6, …
Medium WISP Core Network Design
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 …
WIFI calling port forwarding
Recently I came across a need to do some port forwarding for wifi calling. I have assembled a resource guide to help you if you need to do such things. IPSEC should be allowed per RFC 5996 https://tools.ietf.org/html/rfc5996 for all …
Network troubleshooting tools
Recently, there was a thread on the NANOG list asking what were somne favorite network troubleshooting tools. I have taken many of these tools and created the following list. http://ping.pe/Simple pingport and dig commands https://mtr.sh/BGP Looking glass https://perfops.net/mtr-from-worldTraceroute from various …
WISPs: IPv6 is the answer to some of your issues
Many Wireless Internet Service Providers (WISPs), especially newer startups, struggle with nat issues and having enough public Ip addresses to go around. Invariably, you start running into double nat issues pretty quickly. Then you get the dreaded gamer call: Many …
Internet Routing Registry Resources by j2sw
What is a routing registry?From Wikipedia https://en.wikipedia.org/wiki/Internet_Routing_RegistryThe Internet routing registry works by providing an interlinked hierarchy of objects designed to facilitate the organization of IP routing between organizations, and also to provide data in an appropriate format for automatic programming …