Blog Posts in 2018
December 2018
- That’s It for 2018 ;) (21 Dec 2018)
- Zero-Touch Provisioning with Patrick Ogenstad (Part 2) (20 Dec 2018)
- Zen of Routing Protocols (19 Dec 2018)
- Automation, Big Data and AI (18 Dec 2018)
- Webinars in 2018 (17 Dec 2018)
- Zero-Touch Provisioning with Patrick Ogenstad (14 Dec 2018)
- Using Math in Networking on Software Gone Wild (13 Dec 2018)
- Can I Replace a Commercial Load Balancer with HAProxy? (12 Dec 2018)
- Building Your Own Virtual Lab (11 Dec 2018)
- Segment Routing Anyone? (10 Dec 2018)
- Using Virtual Labs When Developing Network Automation Solutions (07 Dec 2018)
- Video: What Problem Are We Solving with SDDC? (06 Dec 2018)
- Odd Number of Spines in Leaf-and-Spine Fabrics (05 Dec 2018)
- Bifurcation of Knowledge (04 Dec 2018)
- David Gee on Security of Network Automation (03 Dec 2018)
November 2018
- Worth Reading: Back to Basics (30 Nov 2018)
- Interview: Active-Active Data Centers With VXLAN and EVPN (29 Nov 2018)
- Upcoming Webinars and Events: December 2018 (28 Nov 2018)
- OMG, VXLAN Is Still Insecure (27 Nov 2018)
- Hygiene of Network Automation (26 Nov 2018)
- From Excel to Network Infrastructure as Code with Carl Buchmann (23 Nov 2018)
- David Gee on Automated Workflows (20 Nov 2018)
- Bitcoins Will Buy BGP Security? Come On… (19 Nov 2018)
- Don't Let the Automation Snowflakes Stop You (16 Nov 2018)
- Real-Life Network Automation: How It All Started (15 Nov 2018)
- VNFs and Containers: Heptagonal Pegs and Triangle Holes (14 Nov 2018)
- Sunset of VXLAN. Really? (13 Nov 2018)
- How Network Automation Increases Security (12 Nov 2018)
- Video: SD-WAN Reference Design (09 Nov 2018)
- No Scripting Required to Start Your Automation Journey (08 Nov 2018)
- Using MPLS+EVPN in Data Center Fabrics (07 Nov 2018)
- Upcoming Webinars and Events: November 2018 (06 Nov 2018)
- Architecture before Products (05 Nov 2018)
- Worth Reading: Notes on Distributed Systems (02 Nov 2018)
October 2018
- Internet Routing Security: It’s All About Business… (30 Oct 2018)
- Observability Is the New Black (29 Oct 2018)
- netdev 0x12 Update on Software Gone Wild (26 Oct 2018)
- What’s the Big Deal with Validation? (25 Oct 2018)
- VMware NSX: The Good, the Bad and the Ugly (24 Oct 2018)
- Figuring Out AWS Networking (23 Oct 2018)
- Automation Win: Configure Cisco ACI with an Ansible Playbook (22 Oct 2018)
- New: Expert ipSpace.net Subscription (19 Oct 2018)
- Leaf-and-Spine Fabric Myths (Part 3) (18 Oct 2018)
- MUST READ: Operational Security Considerations for IPv6 Networks (17 Oct 2018)
- Event-Driven Network Automation in Network Automation Online Course (16 Oct 2018)
- Why Is Network Automation such a Hot Topic? (15 Oct 2018)
- Worth Reading: Software Disenchantment (13 Oct 2018)
- Making Sense of Software-Defined World (12 Oct 2018)
- Worth Watching: Machine Learning in a Nutshell (11 Oct 2018)
- Leaf-and-Spine Fabric Myths (Part 2) (10 Oct 2018)
- Feedback: Ansible for Networking Engineers (09 Oct 2018)
- VXLAN and EVPN on Hypervisor Hosts (08 Oct 2018)
- Worth Reading: The Fragile Engineers (06 Oct 2018)
- Leaf-and-Spine Fabric Myths (Part 1) (04 Oct 2018)
- Network Automation Development Environments (03 Oct 2018)
- Network Troubleshooting Guidelines (02 Oct 2018)
- Don't Make a Total Mess When Dealing with Exceptions (01 Oct 2018)
September 2018
- Prepare for Job Interview with ipSpace.net Subscription (28 Sep 2018)
- Implications of Valley-Free Routing in Data Center Fabrics (27 Sep 2018)
- Infrastructure-as-Code Tools (26 Sep 2018)
- Upcoming Webinars and Events: October 2018 (25 Sep 2018)
- VXLAN Broadcast Domain Size Limitations (24 Sep 2018)
- Smart or Dumb NICs on Software Gone Wild (21 Sep 2018)
- Using CSR1000V in AWS Instead of Automation or Orchestration System (20 Sep 2018)
- Infrastructure-as-Code, NETCONF and REST API (19 Sep 2018)
- Data Point: Why Automation Won’t Replace Humans (18 Sep 2018)
- Valley-Free Routing in Data Center Fabrics (17 Sep 2018)
- Video: What Is SD-WAN? (14 Sep 2018)
- Worth Reading: Intent-Based Networking Taxonomy (13 Sep 2018)
- Adjusting System State with Infrastructure as Code (12 Sep 2018)
- Network Automation with Ansible for Undergraduate Students (11 Sep 2018)
- Routing in Data Center: What Problem Are You Trying to Solve? (10 Sep 2018)
- Repost: Tony Przygienda on Valley-Free (or Non-ZigZag) Routing (08 Sep 2018)
- Worth Reading: IPv6 Renumbering == Pain in the … (07 Sep 2018)
- Valley-Free Routing (06 Sep 2018)
- Network Infrastructure as Code Is Nothing New (05 Sep 2018)
- Do We Need Leaf-and-Spine Fabrics? (03 Sep 2018)
August 2018
- Is BGP Good Enough with Dinesh Dutt on Software Gone Wild (31 Aug 2018)
- Traditional Leaf-and-Spine Fabric Versus Cisco ACI (30 Aug 2018)
- Interview: Benefits of Network Automation (Part 2) (28 Aug 2018)
- Interview: Benefits of Network Automation (Part 1) (27 Aug 2018)
- Updated: Networking Modules in Building Next-Generation Data Centers Online Course (24 Aug 2018)
- Security Aspects of SD-WAN Solutions (23 Aug 2018)
- Reality Check: Self-Driving Networks (22 Aug 2018)
- Upcoming Webinars and Events: Autumn 2018 (21 Aug 2018)
- Worth Reading: The Cargo Cult of Google Tools (20 Aug 2018)
- GitOps in Networking (16 Aug 2018)
- Updated: First Set of Building Next-Generation Data Centers Self-Study Materials (14 Aug 2018)
- Schneier’s Law Applied to Networking (13 Aug 2018)
- Updated: Building Next-Generation Data Centers Live Sessions (09 Aug 2018)
- Another Benefit of Open-Source Networking Software (08 Aug 2018)
- Updated: Building Network Automation Solutions Materials and Descriptions (07 Aug 2018)
- New my.ipspace.net Design (06 Aug 2018)
July 2018
- New on ipSpace.net: Interviews and Guest Podcasts (26 Jul 2018)
- Overview of ipSpace.net Training Options (23 Jul 2018)
- Free Webinars and Videos Are Now Easier to Spot (16 Jul 2018)
- Review: Ansible for Networking Engineers (12 Jul 2018)
- Goodbye, content.ipspace.net (09 Jul 2018)
- Feedback: Data Center Infrastructure for Networking Engineers (05 Jul 2018)
- IOS Adventures: Save the Princess (03 Jul 2018)
June 2018
- Network Infrastructure as Code in Network Automation Online Course (28 Jun 2018)
- Book: EVPN in Data Center (26 Jun 2018)
- Time for a Summer Break (22 Jun 2018)
- Upcoming Webinars and Events: Autumn 2018 (21 Jun 2018)
- Worth Reading: Fake News in IT (20 Jun 2018)
- Presentation: Three Paths of Enterprise IT (19 Jun 2018)
- Vertical Integration Musings (18 Jun 2018)
- Worth Reading: Discovering Issues with HTTP/2 (15 Jun 2018)
- What Is Intent-Based Networking? (13 Jun 2018)
- Start with Business Requirements, not Technology (12 Jun 2018)
- Avoid Summarization in Leaf-and-Spine Fabrics (11 Jun 2018)
- Snabb Switch Update on Software Gone Wild (08 Jun 2018)
- Automation Win: Document Cisco ACI Configuration (06 Jun 2018)
- Integrating 3rd Party Firewalls with Amazon Web Services (AWS) VPC Networking (05 Jun 2018)
- Is EBGP Really Better than OSPF in Leaf-and-Spine Fabrics? (04 Jun 2018)
- From the Trenches: Rampant MacGyver-ism (01 Jun 2018)
May 2018
- Amazon Web Services Networking Overview (31 May 2018)
- Scaling EVPN BGP Routing Designs (30 May 2018)
- Upcoming Webinars: June 2018 and Beyond (29 May 2018)
- Happy Eyeballs v2 (and how I Was Wrong Again) (28 May 2018)
- Fun: Playing Battleships over BGP (26 May 2018)
- Video: SPB Fabric Use Cases (25 May 2018)
- ONIE and the Hammer of Thor (24 May 2018)
- Why is Network Automation So Hard? (23 May 2018)
- Dissecting IBGP+EBGP Junos Configuration (22 May 2018)
- Response: Vendors Pushing Stretched Layer-2 (21 May 2018)
- Automation Example: Deploy MPLS/VPN Services (18 May 2018)
- Get Familiar with Leaf-and-Spine Fabrics (17 May 2018)
- Worth Reading: Manual Work Is a Bug (16 May 2018)
- Is OSPF or IS-IS Good Enough for My Data Center? (15 May 2018)
- What Is EVPN? (14 May 2018)
- Worth Reading: Cognitive Dissonance (12 May 2018)
- Video: Use Network Device REST API with PowerShell (11 May 2018)
- Layers of Single-Pane-of-Glass Abstractions Won’t Solve Your Problems (10 May 2018)
- Autumn 2018 Network Automation Course Starts on September 18th (09 May 2018)
- The Difference between Hodgepodge PoC and Production (08 May 2018)
- Using 4-Byte BGP AS Numbers With EVPN on Junos (07 May 2018)
- Network Automation with Nornir (formerly Brigade) on Software Gone Wild (04 May 2018)
- Automation Win: Zero-Touch Provisioning (03 May 2018)
April 2018
- We Have to Learn How to Manage the Cattle (30 Apr 2018)
- Avoid Write-Only Code (27 Apr 2018)
- Is OSPF Unpredictable or Just Unexpected? (26 Apr 2018)
- Podcast: Automation, Intent-Based Systems and Everything Else (25 Apr 2018)
- Configuration Templating Could Be a Huge Win (24 Apr 2018)
- Upcoming Webinars: May and June 2018 (23 Apr 2018)
- What Came First: VLANs or VRFs? (22 Apr 2018)
- Found on the Web: Your CLI Should Be a Server (21 Apr 2018)
- OpenFabric with Russ White on Software Gone Wild (20 Apr 2018)
- Why Can’t We All Use Provider-Independent IPv6 Addresses? (19 Apr 2018)
- Pragmatic Data Center Fabrics (18 Apr 2018)
- Interview: Programmable Infrastructure Is Just a Tool (17 Apr 2018)
- Should I Take CCIE DC or ipSpace.net Data Center Online Course? (16 Apr 2018)
- ipSpace.net Subscription Now Available with PayPal (16 Apr 2018)
- Worth Reading: The Death of Expertise (14 Apr 2018)
- Video: Automatic Diagramming with PowerNSX (13 Apr 2018)
- EVPN Route Target Considerations in EBGP Environment (12 Apr 2018)
- The Next Chapter in IPv6 Multihoming Saga (11 Apr 2018)
- Couldn’t Resist: Cheat-Proofing Certifications (10 Apr 2018)
- Container Security through Segregation (09 Apr 2018)
- Worth Reading: Automation: Easy Button vs Sentient Voodoo Magic Button (07 Apr 2018)
- Video: Tools and Knobs to Use when Tweaking TCP Performance (06 Apr 2018)
- Don't Get Obsessed with REST API (05 Apr 2018)
- BGP in EVPN-Based Data Center Fabrics (Updated) (04 Apr 2018)
- New in IPv6: Stable Random IPv6 Addresses on OpenBSD (03 Apr 2018)
March 2018
- Data Center Routing with RIFT on Software Gone Wild (30 Mar 2018)
- VXLAN Limitations of Data Center Switches (29 Mar 2018)
- Could We Build an IXP on Top of VXLAN Infrastructure? (28 Mar 2018)
- Upcoming Webinars, Online Courses and Live Events (27 Mar 2018)
- Dunning-Kruger in IT Infrastructure (26 Mar 2018)
- Presentation and Video: Real-Life Automation Wins (23 Mar 2018)
- Is MLAG an Alternative to Stackable Switches? (22 Mar 2018)
- Meet Me at VMware NSX Deep Dive Event in Zurich (21 Mar 2018)
- Streaming Telemetry: View from the Trenches (20 Mar 2018)
- How Do You Get Information from Network Devices? (19 Mar 2018)
- Worth Reading: Magical Thinking in Internet Security (17 Mar 2018)
- Video: Automated Data Center Fabric Deployment Demo (16 Mar 2018)
- Speakers in the Spring 2018 Building Next-Generation Data Center Online Course (15 Mar 2018)
- I Can’t Choose the Gear for You (14 Mar 2018)
- Streaming Telemetry Standards: So Many to Choose From (13 Mar 2018)
- Should You Build or Buy an Automation Solution? (12 Mar 2018)
- Worth Reading: How to Talk to a C-Level Executive (10 Mar 2018)
- Linux Interfaces on Software Gone Wild (09 Mar 2018)
- Reinventing SSL VPN (RFC 1925 Strikes Again) (08 Mar 2018)
- Who’s Pushing Layer-2 VPN Services? (07 Mar 2018)
- Model-Driven Telemetry Isn’t as New as Some People Think (06 Mar 2018)
- Not Interested in Network Automation? No Problem (for now) (05 Mar 2018)
- Worth Reading: There Are No Enterprises and Service Providers (03 Mar 2018)
- Video: Create an NSX Logical Switch with PowerNSX (02 Mar 2018)
- Lack of Fast Convergence in SD-WAN Products (01 Mar 2018)
February 2018
- Single-Image Systems or Automated Fabrics (28 Feb 2018)
- Upcoming ipSpace.net Events (27 Feb 2018)
- Anti-Automation from the Antimatter Universe (26 Feb 2018)
- Worth Reading: The Thankless Life of an Analyst (24 Feb 2018)
- EVPN With MPLS Data Plane in Data Centers (23 Feb 2018)
- Big Red Button for Network Automation (22 Feb 2018)
- How Useful Is Microsegmentation? (21 Feb 2018)
- We Do Magic Crypto with No Impact and No Performance Loss (20 Feb 2018)
- Automation Isn’t About Building a Button to Press (19 Feb 2018)
- Worth Reading: Whiteboxes for Everyone (17 Feb 2018)
- [Video] Configure Data Center Devices with PowerShell (16 Feb 2018)
- How Self-Sufficient Do You Want to Be? (15 Feb 2018)
- ExpertExpress Evolved into a Team of Experts (14 Feb 2018)
- EVPN Is More than VPLS on Steroids (13 Feb 2018)
- Automation Win: MPLS/VPN Service Deployment (12 Feb 2018)
- Worth Reading: Networking Really Runs on Rainbows (10 Feb 2018)
- Video: What Is PowerNSX? (09 Feb 2018)
- Want to Learn More about Docker and Containers? (08 Feb 2018)
- Automation Win: Cleanup Checkpoint Configuration (07 Feb 2018)
- Using EVPN in Very Small Data Center Fabrics (06 Feb 2018)
- Machine Learning and Network Traffic Management (05 Feb 2018)
- Brief Recap: Tech Field Day at Cisco Live Europe 2018 (02 Feb 2018)
- First Speakers in Building Next-Generation Data Center Online Course (01 Feb 2018)
January 2018
- How to Become a Better Networking Engineer (31 Jan 2018)
- Revisited: The Need for Stretched VLANs (30 Jan 2018)
- Use YANG Data Models to Configure Network Device with Ansible (29 Jan 2018)
- Don't focus on trivia... (27 Jan 2018)
- Video: Big- or Small-Buffer Switches (26 Jan 2018)
- BGP in EVPN-Based Data Center Fabrics (25 Jan 2018)
- Hard Truths Not Taught in Schools (24 Jan 2018)
- Webinar Plans for 2018 (23 Jan 2018)
- Synchronize Network Management Parameters across Network Devices (22 Jan 2018)
- Packet Forwarding on Linux on Software Gone Wild (19 Jan 2018)
- Webinars in 2017 (18 Jan 2018)
- Ansible, Chef, Puppet or Salt? Which One Should I Use? (17 Jan 2018)
- Event-Driven Automation on Building Network Automation Solutions Online Course (16 Jan 2018)
- Meltdown and Its Networking Equivalents (15 Jan 2018)
- Worth Reading: Robust IPAM (13 Jan 2018)
- When Did IT Practitioners Lose Their Curiosity? (12 Jan 2018)
- Upcoming ipSpace.net Events (11 Jan 2018)
- Fat Fingers Strike Again… (10 Jan 2018)
- BGP Route Selection: a Failure of Intent-Based Networking (09 Jan 2018)
- New Design on www.ipSpace.net (08 Jan 2018)