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
Podcast: Play in new window | Download (Duration: 6:08 — 8.0MB)
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 …
Mikrotik 6.47.1 released
Lots of things here. Some noteable things What’s new in 6.47.1 (2020-Jul-08 12:34): *) crs3xx – fixed HW offloading for netPower 15FR and netPower 16P devices (introduced in v6.47);*) crs3xx – fixed increased CPU temperature for CRS354-48G-4S+2Q+ device (introduced in …
Sponsored Post: Ritalia Funding
As you may already know, we have been exhibitors at Wispa shows for almost 9 years. We are a technology financing source for the industry and work with many well known vendors such as Streakwave, ISP Supplies, Winncom, WavOnline, CTI, among …
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 …
RPKI and misconceptions
Podcast: Play in new window | Download (Duration: 6:59 — 8.8MB)
After my blog post about Hurricane Electric and RPKi support, I was seeing some comments by folks that warrant some clarification. I put together a short midnight podcast on this. To summarize1. route original validation is not the same as …
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. …