Daniels Networking Blog

It’s been a while since I did an on-premises installation of the Catalyst SDWAN controllers and as I recently had to go through the process, I thought I would document it and post it here for people that want to build their own lab.

Step CA is an open-source private CA made by Smallstep.

Dnsmasq is an application which has features like DNS caching, DHCP server, and so on.

I’m reorganizing some things in my homelab and wanted to check how many hosts are alive in a /24.

I need an on-premises Git server for my labbing so this post will describe how to install GitLab Community Edition (CE).

Cisco just announced major updates to their certification portfolio.

Yesterday I took and passed the Cisco AUTOCOR (previously DEVCOR) exam which is the core exam for CCNP Automation.

A long long time ago, BGP implementations would use a Maximum Segment Size (MSS) of 536 bytes for BGP peerings.

Link state protocols like OSPF and IS-IS use the Shortest Path First (SPF) algorithm developed by Edsger Dijkstra.

In many ways, IS-IS is a simpler, and perhaps more elegant, routing protocol than OSPF.