j2sw
Podcast: Atheral, VOIP and communication “stuff”
Podcast: Play in new window | Download (Duration: 54:28 — 67.7MB)
Recently I sat down and did a podcast with Daniel White of Atheral (https://atheral.co/). We talked about how WISPS can use VOIP to prevent overbuilding, Unified communications, and some of the forms and procedures for getting started with VOIP. If you want to contact Atheral about their products you can do so at the following: … Read more
RF elements Asymmetrical horn antenna
Some pictures of the RF elements A Symmetrical horn and it’s components.
Atheral recommended 499 fillng help
Our friends over at Atheral have some companies to hello you with your 499 filings.
400 Gigabit randomness
What is the Form Factor for 400G optics? • The first is OSFP OSFP stands for “Octal Small Form-factor Pluggable”. The electrical interface of an OSFP connector consists of 8 electrical lanes, running at 50Gb/s each, for a total of 400Gb/s. I can only imagine how this will be confused with OSPF. • Second is … Read more
AS Stats using sFlow/NetFlow
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 content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more
Internet routing registry list
Ever wondered what routing registries are out there? Here is a list from irr.net
VXLAN terminology and what it means
What are some of the various terminology used in VXLAN? VNI/VNID: Virtual Network Identifier or VXLAN Network Identifier Layer2 VNI carried in VXLAN bridged packets. VNI is configured per VLAN. Layer3 VNI carried in VXLAN routed packets across VTEPs. One L3 VNI per tenant (VRF) Note: Tenant, VRF, L3VNI are sometimes used interchangeably VTEP: VXLAN Tunnel … Read more
China proposes replacement to TCP/IP
China’s “New IP” proposal to replace TCP/IP has a built in “shut up command” for censorship The Chinese government and the Chinese telecommunications companies such as Huawei under its control are proposing a “New IP” addressing system for the internet to replace TCP/IP. The New IP system includes top-down checks and balances and such … Read more
How to create a viewshed in Cambium Linkplanner 5.3.0
Viewsheds are a feature present in the Online Map (using V5.3.0 or later), which indicate all the locations in the area surrounding a chosen place that are considered to be Line-of-Sight for a given tower height and subscriber height. https://community.cambiumnetworks.com/t5/LINKPlanner/How-to-Create-a-Viewshed/m-p/116297
LTE components
What is what in the following diagram when it comes to LTE components eNodeB -Evolved Node B This is the main component that allows users to connect to the network. MME – Mobility Management Entity. The MME is responsible for initiating paging and authentication of the mobile device. MME retains location information at the tracking … Read more