Configure the Brocade NOS REST API to use HTTPS

Brocade VDX switches have REST and NETCONF interfaces. The REST API uses the built-in HTTP server. By default, this uses plain-text HTTP. As of NOS 6.0, you can (and should!)...

Help! My Boss is Scared of Automation!!!

A reader asked “What can I do if my boss won’t let me automate my tasks?” Sadly some people still have a fear of automating even common, well-understood tasks. They’re worried about...

Learning to Love Codenames

One of the things I struggled with when starting at a vendor was dealing with project codenames. There is no secret decoder ring - you have to learn the names the...

Modifying Packet Captures with tcprewrite

Recently I wanted to look at the structure of sFlow packets. Of course I can read the specs, but it’s often easier to look at some real packets. So I set...

NZ IPv6 & DNSSEC Update

A year ago I published a table of New Zealand ISP IPv6 support. At the time support was fairly poor. I’m pleased to report that things have gotten better over the...

Brocade VDX SNMP Changes

Brocade tightened up some SNMP settings with NOS 6.0.x. This improves security, but it also means that you will need to modify your configuration if you upgrade. If you don’t,...

Using InfluxDB + Grafana to Display Network Statistics

I loathe MRTG graphs. They were cool in 2000, but now they’re showing their age. We have much better visualisation tools available, and we don’t need to be so aggressive...

Sit Stand Desk Setup

I work from home these days. Therefore it’s important that I have a decent desk setup. My previous setup was pretty crappy, but I only worked from home part-time. I’ve...

Brocade BNA API

Brocade Network Advisor (BNA) has a REST API for accessing Fibre Channel-related data. The documentation includes a sample Python script showing how to connect to the API to retrieve Fabric info....

War Stories: Closing out Projects

This article is Part 10 in a 12-Part Series. Part 1 - War Stories: Loops that Permanently Broke the Network Part 2 - War Stories: Switches Lying about Duplex Mismatches...

IPv6-based Wi-Fi Hotspots

Apple’s 2015 WWDC event included a great session on IPv6 & TCP changes coming with iOS 9. There is a related post to the IETF v6ops mailing list here. The...

Stretching the Container Metaphor

The Docker/shipping container metaphor is overdone. I don’t think people have fully thought through what it might mean if containers do the same thing to computing as they did to shipping....