Medium WISP Core Network Design
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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 …
New Youtube Intro
Loving the music and the graphics
The BrothersWisp Podcast
Finally had some time to contribute to another podcast I am a part of. http://thebrotherswisp.com/index.php/the-brothers-wisp-115-wisp-after-death-unifi-video-eol-rpki-basics/ This week we talk about:WISP Virtual Summit July 28thSave Dave’s brainRIP Ubiquiti Unifi Video – EOL 1/1/2021zwift.comCloudflare DNS outageDavid – Arduino, PHP programming, cycling and …
WISP Whitepaper
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.This content is …
A Longitudinal View of Netflix
This came across the NANOG mail list. A Longitudinal View of Netflix: Content Delivery over IPv6 and Content Cache Deployments paper: https://bit.ly/2toOGWPslides: https://bit.ly/2ZoEpapvideo: https://vimeo.com/437111302 Some highlights Caches reachable within 6 IP hops and 20 ms-IP path lengths shorter by 40–50%-Latency …
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 …
Podcast: Dead technologies for service providers
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I put together a quick 5-minute podcast talking about two dead technologies for service providers. What is on your list of things no longer relevant or used? #j2podcast #packetsdownrange #routethelight
ISPs and vacation..yes you can get away
Let’s face it, if you are an owner, sysadmin, network admin, or whatever in a small to medium Internet Service Provider vacations can be a troublesome thing to accomplish. Getting away for a conference or training can be a huge …
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 …