Blog Posts in 2016
December 2016
- How I Started Hating Automatic Context Switching in Cisco IOS (28 Dec 2016)
- Worth Investigating: My Looking Glass Tool (27 Dec 2016)
- Push Configuration Snippet to a Bunch of Cisco IOS Devices (23 Dec 2016)
- Generating OSPF, BGP and MPLS/VPN Configurations from Network Data Model (22 Dec 2016)
- Create Ansible Inventory File from Vagrant SSH Configuration (21 Dec 2016)
- Python for Networking Engineers (20 Dec 2016)
- Network Automation Labs with Ansible in a Virtual Machine (19 Dec 2016)
- Webinars in 2016 (16 Dec 2016)
- Q&A: Vendor OpenFlow Limitations (14 Dec 2016)
- Worth Reading: Load Balancing at Fastly (13 Dec 2016)
- Network Automation Tools: Featured Webinar in December 2016 (12 Dec 2016)
- Snabb Switch with vMX Control Plane on Software Gone Wild (09 Dec 2016)
- You Don’t Need Programming Skills to Build Network Automation Solutions (08 Dec 2016)
- Q&A: Building a Layer-2 Data Center Fabric in 2016 (07 Dec 2016)
- Response: On the Death of OpenFlow (06 Dec 2016)
- Network Automation Online Course: a Vendor Perspective (05 Dec 2016)
- Building a L3-Only Data Center with Cumulus Linux (02 Dec 2016)
- Would You Use Avaya's SPBM Solution? (01 Dec 2016)
November 2016
- Finding Excuses to Avoid Network Automation (30 Nov 2016)
- Q&A: Ingress Traffic Flow in Multi-Data Center Deployments (28 Nov 2016)
- StackStorm 101 on Software Gone Wild (25 Nov 2016)
- Testing Ansible Playbooks with Cisco VIRL (24 Nov 2016)
- Worth Reading: Creating the Future, One Press Release at a Time (23 Nov 2016)
- Q&A: Big Switch SDN (22 Nov 2016)
- First Speakers in Building Network Automation Solutions Online Course (21 Nov 2016)
- Video: Docker Networking Options (18 Nov 2016)
- Can VMware NSX and Cisco ACI Interoperate over VXLAN? (17 Nov 2016)
- Network Automation Course for Environments Using $Vendor Platform (16 Nov 2016)
- Worth Reading: DNS Is Part of the TCP/IP Stack (15 Nov 2016)
- Reliability of Clustered Solutions: Another Data Point (14 Nov 2016)
- Becoming a Programmer on Software Gone Wild (11 Nov 2016)
- L3 Virtualization and VRFs (10 Nov 2016)
- Network Automation: Lego Bricks and Death Stars (09 Nov 2016)
- New Webinar Series: Network Automation Use Cases (08 Nov 2016)
- Could You Use IS-IS Instead of BGP for Routing on Hosts? (07 Nov 2016)
- Optimize Your Data Center: How Far Did We Get? (04 Nov 2016)
- Optimal Inter-AS Routing Challenge (03 Nov 2016)
- Breaking News: I’m a Vendor Shill (02 Nov 2016)
- First Speakers in the Spring 2017 Data Center Course (01 Nov 2016)
October 2016
- NAPALM Update on Software Gone Wild (28 Oct 2016)
- To API or Not To API (27 Oct 2016)
- Do Enterprises Need MPLS? (26 Oct 2016)
- New Webinar: Networks, Buffers and Drops (25 Oct 2016)
- The Network Is Reliable and Other Stories (24 Oct 2016)
- Why cybersecurity certifications suck (22 Oct 2016)
- Basic Docker Networking (21 Oct 2016)
- Do You Use SSL between Load Balancers and Servers? (20 Oct 2016)
- Do Enterprises Need VRFs? (19 Oct 2016)
- Save the date: Leaf-and-Spine Fabric Design Workshop in Zurich (18 Oct 2016)
- One of the better explanations of SDN (15 Oct 2016)
- Fast Linux Packet Forwarding with Thomas Graf on Software Gone Wild (14 Oct 2016)
- Network Automation RFP Requirements (13 Oct 2016)
- Do I Need Redundant Firewalls? (12 Oct 2016)
- Check Out the Designing Active-Active and Disaster Recovery Data Centers Webinar (11 Oct 2016)
- The Impact of ICMP Redirects (10 Oct 2016)
- Optimize Your Data Center: Virtual Appliances (07 Oct 2016)
- Using DNS Names in Firewall Rulesets (06 Oct 2016)
- Worth Reading on Network Guru (05 Oct 2016)
- Ansible versus Puppet in Initial Device Provisioning (04 Oct 2016)
- Use VRFs to Solve Routing-on-Hosts Challenges (03 Oct 2016)
- Survey on IXP Routing and Privacy (01 Oct 2016)
September 2016
- Distributed On-Demand Network Testing (ToDD) with Matt Oswalt (30 Sep 2016)
- Replacing FabricPath with VXLAN, EVPN or ACI? (29 Sep 2016)
- Policing or Shaping? It Depends (28 Sep 2016)
- How Do I Get a Grasp of SDN and NFV? (27 Sep 2016)
- How Many vMotion Events Can You Expect in a Data Center? (26 Sep 2016)
- Docker Networking: Introduction to Microservices and Containers (23 Sep 2016)
- Why Would I Use BGP and not OSPF between Servers and the Network? (22 Sep 2016)
- This Is Why I’m Not Doing SD-WAN Webinars (21 Sep 2016)
- Juniper Is Serious about OpenConfig and IETF YANG Data Models (20 Sep 2016)
- The Cost of Networking Has Not Declined (19 Sep 2016)
- Getting Started in the Mobile World (17 Sep 2016)
- Whitebox Switching at LinkedIn with Russ White on Software Gone Wild (16 Sep 2016)
- Should I Use L2VPN+MACSEC or L3VPN+GETVPN? (15 Sep 2016)
- Source Code Is Not Standards (14 Sep 2016)
- How Do I Persuade My Management Automation Makes Sense? (13 Sep 2016)
- Guest Appearance on Full Stack Journey Podcast (12 Sep 2016)
- OSPF Areas and Summarization: Theory and Reality (09 Sep 2016)
- OpenStack on VMware NSX on Software Gone Wild (08 Sep 2016)
- Running BGP between Virtual Machine and ToR Switch (07 Sep 2016)
- Questions about Network Automation Workshop (06 Sep 2016)
- Do We Still Need OSPF Areas and Summarization? (05 Sep 2016)
- Using BGP in Leaf-and-Spine Fabrics (02 Sep 2016)
- Why Is Stretched ACI Infinitely Better than OTV? (01 Sep 2016)
August 2016
- Planning for Migration into the Cloud? (31 Aug 2016)
- Scaling L3-Only Data Center Networks (29 Aug 2016)
- Software-Defined Navel Gazing (26 Aug 2016)
- Automation Gone Wild (25 Aug 2016)
- Why Would I Attend the Virtual Firewalls Workshop? (24 Aug 2016)
- Another Long Gone Crazy Project: Build Your Own File Server OS (23 Aug 2016)
- Networking Is Infrastructure – Get Used to It (22 Aug 2016)
- Sample Ansible Networking Playbooks on Github (19 Aug 2016)
- Inter-VRF NAT in DMVPN Deployments (18 Aug 2016)
- New Webinar: Docker Networking Fundamentals (17 Aug 2016)
- We Need to Educate Our Peers (16 Aug 2016)
- Ring Message Bus on RS-232 (10 Aug 2016)
- And this is why you need automation (08 Aug 2016)
- PCEP and BGP-LS Questions and Answers (05 Aug 2016)
- Local Area Networking on RS-232 (04 Aug 2016)
- SDN and Modern Physics (02 Aug 2016)
July 2016
- And this is how you build an IPv6-only data center (29 Jul 2016)
- Networking in 1980s (28 Jul 2016)
- Stretched ACI Fabric Is Sometimes the Least Horrible Solution (26 Jul 2016)
- TCP Congestion Avoidance on Satellite Links (21 Jul 2016)
- Ethernet-over-VPN: What Could Possibly Go Wrong? (19 Jul 2016)
- OpenFlow and Firewalls Don’t Mix Well (14 Jul 2016)
- Automate the Exceptions (12 Jul 2016)
- Optimize Your Data Center: Use Distributed File System (08 Jul 2016)
- New Open-Source IPAM + DCIM Tool (07 Jul 2016)
- Why Is Every SDN Vendor Bashing the Networking Engineers? (06 Jul 2016)
- Cutting through the IPv6 Requirements Red Tape (05 Jul 2016)
- Typical SDN Architectures (01 Jul 2016)
June 2016
- Does It Make Sense to Build Your Own Networking Solutions? (29 Jun 2016)
- Awesome Response: Complexity Sells (27 Jun 2016)
- Build Your Own Service Provider Gear on Software Gone Wild (24 Jun 2016)
- Optimize Your Data Center: Reduce the Number of Uplinks (23 Jun 2016)
- Directed ARP Saga Continues (22 Jun 2016)
- On the Lossiness of TCP (21 Jun 2016)
- Where Is the Explosion of Overlay Virtual Networks (20 Jun 2016)
- Big Chain Deep Dive on Software Gone Wild (17 Jun 2016)
- Complexity Sells (16 Jun 2016)
- Directed ARP and ICMP Redirects (15 Jun 2016)
- Is OVSDB a Control- or Management-Plane Protocol? (14 Jun 2016)
- Virtual Firewalls: Featured Webinar in June 2016 (13 Jun 2016)
- SDN as an Abstraction Layer (10 Jun 2016)
- Is BGP Really that Complex? (08 Jun 2016)
- Every Product Needs to Scale… to a Point (06 Jun 2016)
- Using Macvlan and Ipvlan with Docker on Software Gone Wild (03 Jun 2016)
- The Future of Multicast and QoS (02 Jun 2016)
- What Is Software-Defined Security? (01 Jun 2016)
May 2016
- Is XMPP Control- or Management-Plane Protocol? (31 May 2016)
- Building a L2 Fabric on top of VXLAN: Arista or Cisco? (30 May 2016)
- Optimize Your Data Center: Ditch the Legacy Technologies (27 May 2016)
- OpenFlow Table-Type-Patterns and Vendor Hype (26 May 2016)
- Feedback: Layer-2 Leaf-and-Spine Fabrics (25 May 2016)
- Can Enterprise Workloads Run on Bare-Metal Servers? (24 May 2016)
- Model-Driven Networking on Software Gone Wild (20 May 2016)
- OpenStack Networking, Availability Zones and Regions (19 May 2016)
- Yeah, Blame It on Cisco (18 May 2016)
- Don’t miss a day full of SDN, security, microsegmentation and hands-on NSX (17 May 2016)
- Let’s Focus on Realistic Design Scenarios (16 May 2016)
- PCEP Extensions (13 May 2016)
- What Are The Problems with Broadcom Tomahawk? We Don’t Know (12 May 2016)
- Running BGP Route Reflector in a Virtual Machine (11 May 2016)
- Overlay Virtual Networking: Featured Webinar of May 2016 (10 May 2016)
- BGP Route Maps and Continue Feature Limitations (09 May 2016)
- API Does Not SDN Make (06 May 2016)
- Unexpected Recovery Might Kill Your Data Center (05 May 2016)
- Software-Defined Security and VMware NSX Events (04 May 2016)
- Response: Are Open-Source Controllers Ready for Carrier-Grade Services? (03 May 2016)
- Setting Terminal Width in Cisco IOS (02 May 2016)
April 2016
- More Open-Source Network Management Tools on Software Gone Wild (29 Apr 2016)
- Implementing BGP-Based SDN Controller (27 Apr 2016)
- Optimize Your Data Center: Virtualize Your Servers (26 Apr 2016)
- Scalability of OpenFlow Control Plane Network (25 Apr 2016)
- Some People Don’t Get It: It Will Eventually Fail (22 Apr 2016)
- PCEP Usage Scenarios (21 Apr 2016)
- First Guest Speaker in Building Next-Generation Data Center Course (20 Apr 2016)
- More on Reading and Writing Books (19 Apr 2016)
- Zero Bandwidth Traffic Engineering (18 Apr 2016)
- Shortest Path Bridging (SPB) and Avaya Fabric on Software Gone Wild (15 Apr 2016)
- Open-Source Software Could Have Great Documentation (13 Apr 2016)
- Host-to-Network Multihoming Kludges (12 Apr 2016)
- New Experiment: Interactive Online Course (11 Apr 2016)
- Enterprise IPv6 Deployments Are Not Hard (08 Apr 2016)
- Software-Based Switching Is not SDN (06 Apr 2016)
- High Availability Planning: Identify the Weakest Link (05 Apr 2016)
- Real-Life Software Defined Security @ Troopers 16 (04 Apr 2016)
- Palo Alto Integration with Cisco ACI and OpenStack on Software Gone Wild (01 Apr 2016)
March 2016
- Do You Really Want to Write that Book? (31 Mar 2016)
- Video: All You Need Are Two Switches (30 Mar 2016)
- SDN and Whitebox Switches (24 Mar 2016)
- I’m New to SDN. Where Should I Start? (23 Mar 2016)
- Sysadmins Shouldn’t Be Involved with Routing (22 Mar 2016)
- How Hard Is It to Think about Failures? (21 Mar 2016)
- x86-Based Switching at Ludicrous Speed on Software Gone Wild (20 Mar 2016)
- Help Me Plan ipSpace.net Webinars (17 Mar 2016)
- Table Sizes in OpenFlow Switches (16 Mar 2016)
- So You Want to Become a Programmer? Think Again… (15 Mar 2016)
- Don’t Run OSPF with Your Customers (14 Mar 2016)
- Speaking of CLI (12 Mar 2016)
- SDN 101: Centralized Control Plane (11 Mar 2016)
- Want to Know More about BGP? (10 Mar 2016)
- Featured Webinar: Leaf-and-Spine Designs (09 Mar 2016)
- Reader Comments: Spanning Tree Woes (08 Mar 2016)
- How Realistic Is High-Density Virtualization? (07 Mar 2016)
- Video: PCEP Deep Dive (04 Mar 2016)
- Data Center Fabrics and SDN (03 Mar 2016)
- You Want Your Network to Be like Google’s? Really? (02 Mar 2016)
- Spanning Tree Protocol (STP) and Bridging Loops (01 Mar 2016)
February 2016
- Greg Ferro on Private and Public Clouds (29 Feb 2016)
- Troubleshoot Your Network with PacketDesign on Software Gone Wild (26 Feb 2016)
- VLANs and Failure Domains Revisited (24 Feb 2016)
- What They Said: vSphere 6 Networking Deep Dive (23 Feb 2016)
- Why Would You Need BGP-LS and PCEP? (22 Feb 2016)
- BGP-LS Deep Dive (19 Feb 2016)
- ASICs Behind the Scenes (18 Feb 2016)
- Running BGP on Servers (17 Feb 2016)
- Full Stacks and S-Curves (16 Feb 2016)
- Dear $Vendor Reps, Align Your SDN Story with Reality (15 Feb 2016)
- Full-stack Engineers are going mainstream (14 Feb 2016)
- How Money Spoiled Blogging (13 Feb 2016)
- VMware NSX Update on Software Gone Wild (11 Feb 2016)
- BGP or OSPF? Does Topology Visibility Matter? (10 Feb 2016)
- Using BGP in Data Center Fabrics (09 Feb 2016)
- How Did You Become a Networking Engineer? (08 Feb 2016)
- Who Said What in an SDN Quiz? (06 Feb 2016)
- Introduction to BGP-LS and PCEP (05 Feb 2016)
- So What Exactly Is SDN? (03 Feb 2016)
- Should Firewalls Track TCP Sequence Numbers? (02 Feb 2016)
- Inspecting East-West Traffic in vSphere Environments (01 Feb 2016)
January 2016
- Quick link: User-Space Network I/O on x86 Servers (31 Jan 2016)
- Dell OS10 and Cumulus Linux (28 Jan 2016)
- Docker Networking on Software Gone Wild (27 Jan 2016)
- Disabling SLAAC in Data Center Subnets (26 Jan 2016)
- Whatever Happened to “Do No Harm”? (25 Jan 2016)
- IPv6 Microsegmentation in Data Center Environments (22 Jan 2016)
- IPv6 Address Allocation Is Operating System-Specific (21 Jan 2016)
- Spanning Tree (STP) on Virtual Switches (20 Jan 2016)
- Upcoming Events: Data Center Fabrics Workshop in Zurich (19 Jan 2016)
- Network Node Shutdown Is a Process, not an Event (18 Jan 2016)
- OpenSwitch Deep Dive on Software Gone Wild (15 Jan 2016)
- Are Unnumbered Interfaces Harmful? (12 Jan 2016)
- The Sad State of Enterprise Networking (11 Jan 2016)
- A Quick Look Back: Webinars in 2015 (08 Jan 2016)
- New Webinar: BGP-LS and PCEP (07 Jan 2016)