Matt Oswalt | Infrastructure

Matt Oswalt

Perpetual Learner, Software Developer, Writer, and Public Speaker.

2018

December 4 - NRE Labs Outage Post-Mortem

Dec 5

Troubleshooting NGINX Ingress Rewrites in Kubernetes

Nov 13

Up and Running with Kubernetes and Tungsten Fabric

May 8

Get Started with Junos Quickly (and free!)

Apr 23

Unit Testing Junos with JSNAPy

Feb 27

Intentional Infrastructure

Feb 4

2017

A Guide to Open Source for IT Practitioners

Dec 20

StackStorm Architecture Part I - StackStorm Core Services

Aug 28

Your Cheese Moved a Long Time Ago

Apr 6

Learn Programming or Perish(?)

Mar 27

2016

Introduction to StackStorm

Dec 16

Principles of Automation

Oct 18

ToDD Has Moved!

Sep 30

The Importance of the Network Software Supply Chain

Aug 16

Introducing HTTP Testing in ToDD

May 12

Interop Vegas 2016

Apr 5

Next-Generation Network Telemetry

Mar 30

The Power of Test-Driven Network Automation

Mar 14

The Unspoken Benefits of Open Networking

Jan 27

SDN and Network Automation: Splitting Hairs?

Jan 27

2015

Training the Next-Generation Network Engineer

Dec 28

Kubernetes: Basic Concepts

Nov 9

Network Namespaces: The New Access Layer

Oct 27

Network Automation: Be Bold!

Sep 29

The Importance of Quality in Infrastructure Software

Sep 1

Docker for NetOps

Aug 21

Using Vagrant with CumulusVX

Aug 13

Big Flowering Thing

Jul 9

Is Container Networking Holding On To The Past?

Jun 24

Open Source Routing: Practical Lab

Jun 15

Open Source Routing: A Comparison

May 22

SDN: Integration over Manipulation

May 13

The Two "Network As Code" Domains

May 6

Three Tips for Technical Blogging

Mar 31

[SDN Protocols] Part 5 - NETCONF

Mar 30

Go Go Gadget Networking Lab!

Mar 27

Networks! Now, With More DevOps!

Mar 12

Free-Form Discussion at CLEUR

Feb 18

Five Next-Gen Networker Skills

Feb 12

Network Automation @Interop Vegas 2015

Jan 22

Continuous Integration Pipeline for Networking

Jan 5

2014

Automation Isn't Just About Speed

Dec 22

Automating SAN Zoning with Schprokits

Dec 4

Source-Driven Configuration for NetOps

Nov 10

Storage Traffic Magic with OpenFlow

Nov 7

Mass Customization

Nov 5

5 Dev Tools for Network Engineers

Oct 27

Why Network Automation Won't Kill Your Job

Oct 15

Cisco NX-API 1.0 Update

Oct 8

Network Troubleshooting with ThousandEyes

Sep 24

[SDN Protocols] Part 4 - OpFlex and Declarative Networking

Sep 22

[SDN Protocols] Part 3 - OVSDB

Aug 28

Dealing with Schema Changes

Aug 4

[SDN Protocols] Part 2 - OpenFlow Deep-Dive

Jul 28

Handling "Multiples" in Cisco NX-API with Python

Jul 24

[SDN Protocols] Part 1 - OpenFlow Basics

Jul 21

[SDN Protocols] - New Series

Jul 20

What is Unidirectional Automation?

Jul 9

Spine/Leaf Topology Explorer with Ansible

Jun 30

Network Automation or SDN?

Jun 24

Glue Networks at ONUG 2014

Jun 7

The Evolution of Network Programmability

May 27

Pylint Errors - Final Newline Missing

May 27

Recap of ONUG Conference 2014

May 12

Open Networking User Group Conference 2014

May 4

Networking and the Consumption Model

Apr 17

Introduction to Ansible and SAN Configuration Automation

Apr 14

The Learning Curve: Implementations vs Fundamentals

Apr 8

SAN Automation with Python and Jinja

Mar 28

OpenDaylight at Networking Field Day 7

Mar 27

Network Configuration Templates Using Jinja2

Mar 26

The Foundation of Network Programmability

Mar 25

The DRY Principle, and Why Network Engineers Should Care

Mar 12

MTU Considerations for VXLAN

Mar 11

Network Configuration: The Case for Normalization

Feb 28

Cisco Nexus 9000 NX-API

Feb 18

Cisco ACI - Nexus 9000 Initial Configuration

Feb 17

The Role of Code In "The New Network"

Feb 7

On The Ground at OpenDaylight Summit 2014

Feb 4

Networking Field Day 7 - Here We Go Again!

Jan 28

OpenDaylight Summit 2014

Jan 22

[Storage Flow Control] Part 2 - Implementation and Troubleshooting

Jan 22

"VIF down" Issues with UCSM 2.2(1b)

Jan 20

Cisco UCS - "Unable to Communicate With UCSM Controller"

Jan 19

Cisco UCS Error - "Process Failed"

Jan 18

[Storage Flow Control] Part 1- Introduction

Jan 17

The Illusion of Lock-In Avoidance

Jan 9

Libvirt - Intro and Basic Configuration

Jan 7

2013

A Christmas Binary Miracle

Dec 26

What is a "Best Practice"?

Dec 19

Default CoS Value in Netapp Cluster Mode

Dec 16

Converging Skillsets With Technology

Dec 10

Preventing Information Overload

Nov 21

The New Face of the Access Layer

Nov 20

Mass ESXi Deployment using Auto Deploy, Boot from SAN, and PowerShell

Nov 19

Tech Field Day Round Table at Cisco ACI Launch

Nov 12

Cisco ACI: As The Dust Settles

Nov 11

[Insieme and Cisco ACI] Part 2 - Programmability

Nov 6

[Insieme and Cisco ACI] Part 1 - Hardware

Nov 6

Plexxi - Optimized Workload and Workflow

Oct 28

I'm a Networking Guy, and I'm Here To Talk About Programming

Oct 25

Network Function Abstraction Redux (Now with DevOps!)

Oct 22

OpenDaylight and Those Pesky Southbound APIs

Oct 21

Cisco UCS SDK for Python, and Building in Windows

Oct 18

Cisco UCS: Crossing the Streams

Oct 10

Introduction to Open vSwitch

Oct 7

OVSDB Echo in Python

Oct 2

Nuage Networks at Network Field Day 6

Sep 26

SDN and Programming (a.k.a. What The Heck is a REST API??)

Sep 19

The Benefit of Infrastructure APIs

Sep 18

Plexxi DSE: An Informal Analogy

Sep 11

NFD6 Preview: Solarwinds

Sep 10

NFD6 Vendor Preview: Nuage Networks

Sep 9

NFD6 Vendor Preview: Big Switch

Sep 5

NFD6 Vendor Preview: Aruba Networks

Sep 5

[Overlay Networking] Part 3 - The Underlay

Sep 5

NFD6 Vendor Preview: Plexxi

Sep 4

[Overlay Networking] Part 2 - VTEPs and Software

Sep 4

[Overlay Networking] Part 1 - The Basics

Sep 4

Virtual Networking and the Concept of Abstraction

Sep 3

Networking Field Day 6

Aug 21

UCS Central 1.1 Lab

Aug 2

UCS Central - Keeping It Classless Labs

Aug 2

Teaching Without a Teaching Degree

Aug 1

The Dangers of Fanboyism

Jul 31

That Ole Familiar "Network" Command

Jul 31

HP Moonshot

Jul 30

IGP Metric Tweaks - Direction is Important

Jul 29

Cisco UCS vNIC Switchport Mode

Jul 23

Heatsink Upgrade

Jul 14

KIClet: IOS "network" Command Cheating

Jul 12

Rapid Spanning Tree Synchronization - Keeping It Classless Labs

Jul 1

[CCIE] Spanning-Tree Part 2 - RSTP

Jul 1

Spanning Tree Nerd Knobs - Keeping It Classless Labs

Jun 27

[CCIE] Spanning-Tree Part 1 - Nerd Knobs

Jun 27

Host Interfaces on UCS FEX 2204 vs FEX 2208

Jun 20

Powerless Words and Technology

Jun 19

Cisco UCS Port-Channeling

Jun 19

Why We Want to Kill Spanning Tree

Jun 18

Cisco UCS ASCII Art

Jun 14

[Code] PowerTool: PowerOnUCSBlades

Jun 14

Service Profiles and Service Profile Templates in Cisco UCS PowerTool

Jun 10

Cisco VM-FEX and the Nexus 1000v

Jun 10

When The World Runs As Software

Jun 3

The Software Defined Datacenter Symposium 2013 - Tech Field Day

Jun 3

Outgoing Interface Determination

May 27

[Virtual Routing] Part 4 - The Use Case

May 23

Moving Forward, Changing Focus

May 22

How Taco Bell Taught Me About Converged Networks

May 22

ESXi vSwitch Load Balancing Woes

May 21

[Humor] Virtual Routing Inception

May 10

[Quality of Service] Part 3 - Nexus 1000v: The Servers are Doing QoS Now?!?

May 10

Open Source Switching

May 9

[Virtual Routing] Part 3 - Router Redundancy in VMware vSphere

May 7

SDN Use Case: End-to-End QoS

May 6

IGP Route Multipathing

Apr 29

FusionIO Acquires Nexgen

Apr 25

Routing iSCSI Traffic

Apr 23

Multi-Vendor OSPF Cost Calculations

Apr 22

[Virtual Routing] Part 2 - FHRP Issues in VMware vSphere

Apr 19

[Virtual Routing] Part 1 - CSR 1000v First Glance

Apr 16

The Route to Null0 is OK

Apr 15

KIClet: SDN - Pick Your Poison

Apr 15

The Importance of QoS in a Converged Infrastructure

Apr 10

No Experience is Irrelevant

Apr 9

SDN and Virtualization Utilizing IP over Avian Carrier Networks

Apr 1

Call for IPv6 Papers

Apr 1

The Software-Defined Nerds of Tomorrow

Mar 26

IPv6 Next-Hop Best Practices

Mar 21

IPv6 Host Networking and Insomnia

Mar 20

A Contest of Protocols: EIGRP or OSPF?

Mar 18

Nexus 5000 QoS - Keeping It Classless Labs

Mar 15

Cisco Exams

Mar 14

Jumbo Frames Beyond the Broadcast Domain

Mar 12

Network Field Day 5

Mar 7

Assigning IPv6 Prefixes for Customers

Feb 25

A /64 On Every Link? Are You Crazy?

Feb 25

A Cloud Without IPv6

Feb 14

Using GNS3 for Switching Labs

Feb 13

The "D" in SDN

Feb 12

vSphere Network Security Policies

Feb 11

TCP Handshakes, Routing, Hairpinning - Oh My!

Jan 28

Nexgen Storage (Part 2) - Hardware Overview

Jan 22

The Unified Skillset

Jan 14

Nexgen Storage (Part 1) - Solution Overview

Jan 11

vSphere 5.1 Auto Deploy on Cisco UCS C220 M3 Server

Jan 7

2012 in Review, and 2013 Resolutions

Jan 1

2012

Pinging a Firewall - Is It Up Or Down?

Dec 18

CCNA Datacenter

Dec 7

Grumpy Cat Hates IPv6

Dec 3

The Failing Crusade Against NAT

Nov 20

[Quality of Service] Part 2 - Bringing it Together: Cisco Nexus, Cisco UCS, and VMware

Nov 13

[Quality of Service] Part 1- Types of QoS Policies

Nov 7

The Formation of "Brocatta" - Brocade Aquires Vyatta

Nov 5

Cisco UCS B200 M3: "Invalid Adaptor IOcard"

Oct 19

KIClet: NX-OS - Ethernet[X] is down (inactive)

Sep 21

Spanning-tree Requirements for Cisco ISSU

Sep 19

The Pros/Cons of Public DNS

Sep 11

ESXi 5 on Cisco UCS - No Local Disks Showing Up

Sep 6

My CCIE Journey Begins

Sep 5

Thoughts on vXLAN and Cisco 1000v

Aug 29

What's New in vSphere 5.1 Networking

Aug 28

Important FCoE Considerations - Cisco Nexus and Netapp

Aug 22

Scripted Flexpod Provisioning - First Impressions

Aug 17

KICLet: Solarwinds' Dirty Google Tricks

Jul 27

KIClet: Sub-Optimal Fibre Channel Path Selection

Jul 12

KIClet: Microphone troubles with Lenovo W520

Jul 11

Cisco UCS B440 Blade Replacement

May 9

Management VLAN Best Practices in ESXi and Cisco UCS

May 1

Review: Remote Desktop Connection Manager

Apr 27

Windows Server 2008 R2 Boot From SAN on Cisco UCS

Apr 25

A Quick and Dirty Netapp SnapMirror

Apr 19

KICLet: Cisco UCS Socket Connect Error

Apr 18

Cisco UCS Firmware Upgrade Explorations

Apr 18

Vital Gadgets for a Datacenter Network Engineer

Apr 11

Static Routes to an Interface, Not A Next-Hop

Mar 15

Netapp CNA Link Redundancy with a Single Nexus Switch

Feb 23

NX-OS Virtual PortChannels and Best Practices

Feb 8

Some Out-of-Box NetApp Tweak Suggestions

Feb 1

Port Monitoring/Mirroring on NX-OS: SPAN Profiles

Jan 25

KIClet: Cisco UCS vHBA Template Bug

Jan 24

New Post Type: KIClets

Jan 19

KIClet: NX-OS Default Switchport State

Jan 19

2011

Redundancy Protocols vs Stacking: Pros and Cons

Dec 12

Multi-Vendor Network Woes

Nov 23

Address + Port = "Stall Tactics"

Nov 14

This New "Cloudshark" Thing

Nov 7

Hopping on the FCoTR Bandwagon

Nov 3

OpenFlow Symposium 2011 - Morning Session

Oct 27

Well there's your problem....

Oct 25

Link-State vs. Distance Vector - The Lowdown

Oct 25

Network Humor: Partial Mesh

Oct 18

Neighbor Solicitation - IPv6's Replacement for ARP

Oct 10

Virtual Switching System (VSS) on Cisco Catalyst 6500

Oct 5

I Am "Cisco Man"

Oct 4

BGP: Weight and Local-Preference

Sep 26

EIGRP Unequal-Cost Load-Balancing

Sep 22

Changing Gears: Virtual Networking

Sep 21

Review: Ethernet Fabric Whitepaper by Brocade

Sep 20

EIGRP over NBMA Networks

Sep 19

Vyatta OSPF Designated Router Concepts

Sep 16

Useful OpenFlow Resources

Sep 15

Routing Information Protocol - Keeping It Classless Labs

Sep 15

IPv6 Prefix Lengths

Sep 14

IPv6 Hacking - "thc-ipv6" [Part 2]

Sep 12

Configuring OSPF Between Vyatta and Cisco IOS

Sep 8

OSPF Won't Redistribute My Static Routes!

Sep 7

The Global Internet Speedup (NOT)

Sep 2

New Feature - Keeping It Classless LABS

Aug 30

Keeping It Classless Labs - Static Routing

Aug 30

My Three Favorite "Pop Culture Meets Computers" EPIC FAILS

Aug 29

Three Traits of an Effective Network Engineer

Aug 24

Monitoring an entire VLAN on a Layer 3 Switch

Aug 9

EIGRP Feasible Successors

Jul 30

The Anatomy of "Show IP Route"

Jul 18

A Primer on IP/IPv6 Mobility

Jun 27

Securely Wipe Your Hard Drive the Quick and Dirty Way

Jun 20

Introduction to OpenFlow

Jun 15

World IPv6 Day: What It Is and What You Should Do

May 27

New Blog Location / IPv6 Hacking - "thc-ipv6" [Part 1]

May 23

[IPv6] Subnetting - Wait, we still need to do that?

Jan 11

2010

T-Minus One Week!

Oct 30

Raw IP Traffic Export (RITE) on Cisco IOS

Oct 13

Android & Eclipse Troubles

Jun 30

Apps of Empowerment

Jun 23

Breaking firewalls with SSH and puTTY - NOT with a proxy.

Feb 11