Using 8.8.8.8 or local resolvers for ISPs
ISPs should not be using external resolvers such as google’s 8.8.8.8 to do resolving for their customers
Management Networks in the xISP field and Enterprises
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 …
Fiber 101
From Corning. Fiber 101.
Netonix Recovery Tool
The folks over at Netonix have released a recover to help out with Console recovery on their switches. https://forum.netonix.com/viewtopic.php?f=17&t=5902&sid=4279b7f772acf222b45382b25bdebb26 From the Blog Post This automate’s the process of recovering a switch via the serial port. You just need to download …
How does DNS work for the ISP?
If you are not familiar with how DNS and how an ISP uses it works please watch the following video
Types of IPV6 addresses
As you dive into using IPV6 you will come across four types of addresses. These can be broken down into 4 types
More IPV6 resources
This section describes the concepts and methods associated with addressing under IPv6.
EVPNs: The answer to your MPLS issues
So as we dive into What is EVPN I want you to know I am approaching this from a service provider standpoint.
The physics of twisted pair cabling
The folks over at Fluke networks have a great post on why cabling, such as cat-5, is twisted.