Configuring SNMPv3 can be a daunting task compared to earlier questions, just from the copious amount of authentication parameters compared to earlier SNMP versions. In this short primer I’ll walk you through the steps necessary to set it up to… Read More ›
network friday
How to Really Set Up NTP on HP ProCurve / Aruba Switches – HP Networking Series Part 7
This is a short guide on how to set up NTP time synchronisation properly on HP ProCurve / Aruba network devices. Astute readers of this blog might remember that I covered this topic back in 2015, and you’d be right,… Read More ›
How to Factory Reset a HP Procurve / Aruba Switch – HP Networking Series Part 5
Sometimes it might be helpful to reset an HP Procurve / Aruba switch to it’s default factory config, and weirdly it took me until my 153rd installed switch (yes, I actually looked up how many I’ve installed over the years… Read More ›
The World’s Longest Console Cable – Smartflex Router Series
As everybody knows, console cables and their corresponding interfaces are a scourge on a network administrators existence. They are always too short, COM-ports get renumbered, Baud-rates are unknown, etc. By their very nature, you also have to be physically present… Read More ›
How to Stack HPE/Aruba 2920 Switches – HP Networking Series Part 4
The 2920 series switches from HPE/Aruba has a special feature that no other switches in the old ProCurve/E-Series line-up has; dedicated stacking interfaces. On other HPE switches, stacking merely facilitates “simplified” management, by allowing you to manage any switch in the… Read More ›
Cisco Switch Not Responding to Ping? – Cisco Networking Series Part 2
If you’re anything like me, you like to get things up and running fast. And this means doing a bare minimum configuration of a new switch so you can get to testing connectivity as soon as possible. So, what do… Read More ›
Setting up NTP on Cisco Switches – Cisco Networking Series Part 1
This is more for my own reference than anything else, but what follows here is a short tutorial on how to get NTP up and running on your Cisco iOS device. First we need to get DNS working for the… Read More ›
Setting up NTP on HP Switches – HP Networking Series Part 3
This is a short guide on how to set up NTP time synchronisation on HP Network devices. I’ll be covering SNTP settings in this guide, as well as some of the niftier things that aren’t in the manuals but still… Read More ›
How to set up STP on HP Switches – HP Networking Series Part 1
Setting up Spanning Tree on HP switches is really easy, after you’ve done it a couple of times, but getting it configured can seem like a daunting task for beginners, espcially in a production network. Here are some simple steps… Read More ›