Ansible: Automate Cisco LAN Deployment – Part 1

Hi everyone, I just would like to share what I learned from the webinar Ansible for Network Engineer by Ivan Pepelnjak and Matt Oswalt which was really great and I recommend to someone who is interested in network automation. The webinar gives you the foundation on how you could leverage Ansible to automate your network. …

Configuring Dynamic Multipoint VPN (DMVPN) Dual-Internet Deployment

Hi everyone, today I just would like to share a lab configuration on one of the Cisco IWAN DMVPN design models. As you may already know, DMVPN is an Overlay technology that runs on any underlay IP transport such Internet, MPLS, and 3G/4G. It uses a combination of protocols. Multiple Generic Routing Encapsulation (mGRE) Next …

Ansible: Automate Cisco IOS Configuration

UPDATE: The content of the post is now obsolete for more current up to date please refer to Ansible: Automate Cisco LAN Deployment. Hi everyone, today we're going to look into Ansible to deploy networks running Cisco IOS. It is one of the configuration management tools like Puppet and Chef. I've used Ansible before to update, upgrade, …

Configuring Cumulus Linux High Availability Layer 2 Network – Part 2

Hi everyone, we're going to continue where we left off in the previous post, so far we have configured: MLAG in our spine and leaf switches Bridge as a VLAN-aware bridge Uplinks and downlink port as a trunk port Bonding (Link aggregation) In this post we will configure. Switch Virtual Interface (SVI) Virtual Router Redundancy …

Configuring Cumulus Linux High Availability Layer 2 Network (Part 1)

Hi everyone, today I just would like to share a lab configurations on one of the validated design from Cumulus Linux,  which is the Data Center Layer 2 High Availability. Cumulus Linux is a specialized network-focused Linux distribution based on Debian that run on a bare-metal network switch. The specific configuration will include: Layer 2 interface (access …

Configuring Cisco Network-Based Application Recognition (NBAR)

Hi everyone, today I am going to do lab configuration about Cisco Network-Based Application Recognition (NBAR). NBAR recognized particular protocol and application that are running on your network and based on that you decide what you want to do with that traffic. NBAR is configure using Modular Quality of Server (QoS) Command-Line Interface (CLI) (MQC) …