Networking

In this post we will make an application composed of individual microservices, meaning we are going to take the components that make up our application and deploy each component in its own docker container. To be more specific, our application is a basic ticketing system that has a web interface and a Cisco Spark interface…

Introduction One of the first things that caught my attention the first time I logged into an IOS-XR device was the characteristic prompt, something like this: RP/0/RSP0/CPU0:XRv-1# Which would basically let you know that you’re working on the Route Switch Processor 0 (RSP0). These RSP cards are like the brain of the system in the…

Brief introduction and basic implementation of object and twice (manual) NAT in Cisco ASAv 9.5  

This is a simple React application that makes use of OMDb API to allow the user to search and display Movie/TV Show titles, we also make use of Firebase Auth to authenticate the users and the Database to store the user’s favorite titles. This is not a tutorial on how to build this application but…

A brief video on how to create large topologies with a small amount of Juniper boxes through the use of logical systems, we split the box into up to 15 different logical systems and assign a physical interface to each logical system, we then use VLAN tags to simulate our links between the boxes, all…

Introduction to MPLS RSVP in a multi-vendor service provider topology, dynamic and explicit path configuration.

This will be a quick stop before we jump into MPLS LDP and TE, I have decided to write a brief post about the differences on MTU when working with IOS, IOS-XR and JunOS, so for this, I have extracted a part of the bigger topology that we will later use.   For now, we…

Brief implementation of basic QoS techniques, this is meant to reference the last post on QoS.