HP Wireless Future: Reading the Tea Leaves

Recently I posted some speculation about where HP is going with their Comware and ProCurve networking lines. But what about the wireless gear? Where’s that going? As before, I have...

HP Comware vs ProCurve: Reading the Tea-Leaves

HP acquired 3Com in 2009. This added a large range of routing, switching and wireless networking to HP - but they already had existing ProCurve wired and wireless hardware. Clearly...

ScienceLogic Architecture Overview

This is a basic overview of the ScienceLogic EM7 system architecture, describing the various components, their functions, and how they can be combined or split across multiple systems. I’ve been...

War Stories: Loops that Permanently Broke the Network

This article is Part 1 in a 12-Part Series. Part 1 - This Article Part 2 - War Stories: Switches Lying about Duplex Mismatches Part 3 - War Stories: Check...

HP NNMi Licensing Changes

HP has made some changes to the way Network Node Manager (NNMi) is licensed. These changes are a Good Thing, as they address two key pain points - license calculation,...

Too Many Communities

I have come to realise that I’ve tried to take part in too many communities, and it’s getting me down. Too many forums filled with too much noise, too many...

nxlog - Convert any text file to Syslog

Recently I’ve been converting a network from an agent-based monitoring system to an agentless system. One challenge was handling custom application logfiles. Most agent-based monitoring systems make it very easy...

The HP SDN APP Store - It Might Just Work

HP has been laying out their SDN vision over the last few months. They want to develop a complete SDN ecosystem, including an Open Standards-based network that can integrate with...

Network Monitoring Design Choices - Polling Distribution

Network monitoring systems poll devices periodically, and then calculate average rates across the poll interval. Selecting the right polling interval is important - too frequently, and low-end devices can’t keep...

DHCPv6 on Juniper SRX-110 - Progress

Last year I posted about my frustrations with getting the DHCPv6 client working on a Juniper SRX-110. I am pleased to report that Juniper has now released 12.1X46-D10.2, which resolves...

SDN App Stores - My Network is not a Phone

I’ve been thinking a lot about HP’s SDN App Store approach. In case you missed it, HP’s vision is to deliver an App Store for SDN applications, similar to Apple’s...

SiteHost - Top-Notch Service

We needed a hosting provider that could deliver a platform to run a Virtual Appliance on. The issue was that we needed a reasonably high level of RAM, and we...