New Era of MPLS: Segment Routing in Arista
Many core engineers are familiar with MPLS technology. As you know, we were using LDP or RSVP protocols with MPLS in order to distribute labels. Routers forward traffic according to…
L3VPN with EVPN-VXLAN instead of MPLS in Arista
In this post, we will talk about L3VPN with EVPN-VXLAN in Arista. As you know, especially Service Providers use MPLS to provide L3VPN service. However, you can continue via VXLAN…
Python on Arista: Make Simpler Your Network Operation
Today, I will give real example about python on Arista which we use in one of customer in order to connect two different DC over Internet with EVPN-VXLAN. Careful, it…
A Real Success Story: Multivendor EVPN-VXLAN with Arista
In this post, I will mention about a real project which was completed successfully in network design for one of the best online shopping customer in Turkey. In my previous…
Active/Active Multihoming via EVPN-VXLAN in Arista
Multichassis LAG concept is common in datacenter environment. Arista called it MLAG. However, some customer can demand multi vendor environment. As you know, in MLAG/MCLAG/VPC environment, there is software restriction…
AEM Automation Scripting in Arista: Let’s Automate
Today we will learn how to autamate Arista switches by using AEM Automation Scripting feature. Many network engineers are focusing to use API in order to interact their devices from…
A Playbook of Ansible for Arista – Create it, Play it!
In previous post, I have mentioned about some simple scripting of Python for Arista. But today we will take a bigger step to automation of network. We will mention about…
Python in Arista: Simple Interface Counter Script with
In this post, I will give small sample about python scripting code for Arista devices. As you know, network engineering has been evolving to learn automation with network equipments. Many…
Connect two Datacenters with EVPN-VXLAN in Arista
EVPN technology is improved in order to eliminate some limitations of VPLS. RFC7432 gives large details of Ethernet Virtual Private Network. EVPN simply provides to carry mac address table in…
Let’s Configure LDP Simpler Way on Cisco!
Today, we will explain what LDP is and how it is configured in large network in simpliest way. In previous post, we have examined how MPLS topology works. In MPLS…