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 …
ARIN resources and the Service Provider
Internet Service Providers (ISPs) can be intimidated by all of the facets of working with the American Registry of Internet Numbers (ARIN). I have put together a guide that outlines common things you, as a service provider, need to do. …
Hurricane Electric now requires IRR and filters invalid RPKI
If you are a Hurricane Electric customer you may be receiving e-mails like the following: What does this mean for you as a service provider? If you use Hurricane Electric as transit or peer with them on an exchange you …
New Speed Test server for Patreons
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OpenVPN, rooter project, and Mikrotik
Tutorial on Using The Rooter project to establish an OpenVPN connection to a Mikrotik router.
Mikrotik BGP firewall rules for security
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 …
Netflix, IPV6, and affects of queing
While trying to get my Playstation to download the latest “No Man’s Sky” download quicker I figured I would share a little torch action. This is showing my wife’s Ipad talking to Netflix while she is watching a streaming TV show. Keep …