Lukas Krattiger

Distinguished Engineer in Technical Marketing

Intent-Based Networking Group

Lukas Krattiger is a Distinguished Engineer in Technical Marketing with 20+ years of experience in Data Center, Internet and Application Networks. Within Cisco's Intent-Based Networking Group (IBNG), he specializes in Data Center Switching Architectures and Solutions across Platforms.

Lukas is a double CCIE (R&S, Data Center) with several other industry certifications and participates in various technology Leadership- and Advisory-Groups.

Prior to joining Cisco, Lukas was a Senior Network Engineer at System Integrator and Service Providers responsible for Data Center and Internet Networks. Since joining Cisco, he has covered various technologies within the Data Center as well as Enterprise Networking portfolio and built foundational solutions for Customers and Partners. Current projects include innovative approaches for automating Data Center Networks and optimizing Networking with Overlays.

Recent publications include the Cisco Press title "Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS Perspective".


December 2, 2020


All Tunnels Lead to GENEVE

6 min read

Cisco Nexus 9000 with a Cloud Scale ASIC has extensive hardware capabilities to support legacy, current, and future Network Virtualization technologies, including the forthcoming GENEVE protocol.

September 16, 2020


Detecting and Mitigating Loops in VXLAN Networks

6 min read

Cisco Nexus 9000 Series NX-OS VXLAN addresses the most prevalent loop scenarios within and among multi-site data centers to build and maintain a stable and resilient network architecture for your organization.

August 17, 2020


Multi-Site Data Center Networking with Secure VXLAN EVPN and CloudSec

4 min read

Business-critical applications need redundant data centers to maintain high-availability. But data transfers between Availability Zones and Regions generally have to travel over public infrastructure, which are more vulnerable to threats. Using Multi-Site Secure VXLAN EVPN with CloudSec provides state-of-the art Data Center Interconnect with Confidentiality, Integrity, and Availability.

June 11, 2020


Miercom Tests and Verifies Cisco Data Center Network Manager

3 min read

Cisco DCNM is a complete data center manager for simplifying the management of VXLAN-EVPN network fabrics while lowering operational costs. Miercom has made it the recommended management solution

August 26, 2019


VXLANv6 – VXLANv-what?

5 min read

With the expansion of network virtualization, infrastructure resources like IP addresses have to be reserved for applications and services as well. As a result, IP address overlap occurs in the underlay and overlay, exhausting unique RFC1918 addresses.

April 17, 2019


Change is the only constant – vPC with Fabric Peering for VXLAN EVPN

7 min read

Change is the only constant – vPC just changed and Cisco removed the physical Peer Lin, the first vendor in the industry to do so. Introduction Over the course of...

June 19, 2017


Where’s my Endpoint?

2 min read

Is there a way to know what endpoints are alive within your data center at this moment? Is it possible to continuously monitor the life of every endpoint – be it a Virtual Machine (VM), a physical host or even a container ? Enter Endpoint Locator or EPL! With DCNM available as a manager for […]

April 20, 2017


3rd Annual Interoperability Testing: Converging on a Standard

5 min read

This year, a total of seven vendors participated in the VXLAN BGP EVPN interoperability testing, showing significant industry adoption year over year.

February 5, 2015


VXLAN/EVPN: Standards based Overlay with Control-Plane

3 min read

Given the tremendous interest in VXLAN with MP-BGP based EVPN Control-Plane (short EVPN) at Cisco Live in Milan, I decided to write a “short” technology brief blog post on this topic. VXLAN (IETF RFC7348) has been designed to solve specific problems faced with Classical Ethernet for a few decades now. By introducing an abstraction through […]