Quantum Computing, and why you, as an Internet Service Provider should care
Quantum computing is one of those buzzwords floating around. Should you, as an Internet Service Provider, care? In this blog post, I will go over, at a high level, what quantum computing is and what to watch if you are …
Open Shortest Path First (OSPF) overview
Open Shortest Path First (OSPF) is a widely used interior gateway routing protocol for Internet Protocol (IP) networks. OSPF is used by organizations to route traffic within their own networks, as well as between different networks. Here are some key …
Globe Ed Network Fundamentals
https://www.globed.net/courses/back-to-networking-basics In this Networking Basics Workshop we will be learning the following: REFERENCE MODELSETHERNET STANDARDS AND SPECSTRANSMISSION METHODSTOPOLOGIES NETWORKING DEVICESIPV4 ADDRESSINGHEX CONVERSIONCISCO ROUTER AND SWITCH BASICCISCO ROUTER AND SWITCH CONFIGURATIONLAYER 2 SWITCHING LAYER 3 ROUTINGLAYER 3 ROUTING USING L3 SWITCHING RECORDINGS …
A tool to find out if BGP is lying to you
APNIC has a bog article on detecting “bgp lies”. https://blog.apnic.net/2021/05/24/a-tool-to-detect-bgp-lies/Do you ever wonder whether you can really trust other networks, such as your provider(s) and peers? More precisely, wouldn’t you like to be able to tell if the traffic you send always …
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. …
Internet routing registry list
Ever wondered what routing registries are out there? Here is a list from irr.net
The problem with routing registries
Anyone who has followed me knows I am a fan of Internet Routing Registries (IRR). However, there is a glaring issue with these registries.
My Mum 2019 BGP presentation
In this presentation, I talk about BGP communities, filters, and other cool BGP stuff.
How VRFs work
virtual routing and forwarding (VRF) is a technology that allows multiple instances of a routing table to co-exist within the same router
Need an ASN, IP space? I have a package for you.
Are you intimidated by getting an ASN to participate in BGP? Need help with routing registries?