This article is Part 6 in a 12-Part Series. Part 1 - War Stories: Loops that Permanently Broke the Network Part 2 - War Stories: Switches Lying about Duplex Mismatches...
ScienceLogic 7.5 includes many enhancements and new features. One I’m interested in is “Global Manager” which can be used to massively scale out the ScienceLogic architecture. Here’s some more detail on...
I have an HP 2910al switch in my lab. I was running firmware version W.15.12.0012, but needed to upgrade, to fix a bug where “~” gets added to the snmp...
HP has released an updated Network Simulator. This uses VirtualBox to provide a hypervisor, as opposed to QEMU in earlier versions. When I tried it previously, it was unusably slow....
Network equipment pricing has traditionally been based around hardware, even though most of the cost comes from the software. Trends such as bare-metal switching will clarify this cost/price relationship. But are we...
A reader asked how I use OmniFocus to help with studying for certification exams. Here’s how I’m using OmniFocus to help with CCDE study. This may not be the ‘best’...
I am lucky enough to be invited to attend Network Field Day 8 this September, in Silicon Valley. For 3 days, I get to hang out with some of the smartest people...
Network monitoring is often a reactive process. Engineers see an alarm, and take action. Alarms mean someone broke something, and it needs attention. Deal with the alarms, and all will...
We don’t see as many comments on blog posts these days, as most discussion has moved to other forums, such as Twitter or Google+. But this doesn’t mean that comments...
Dobias van Ingen is working to get an HP Networking scripting community together. This is to take advantage of various HPN scripting capabilities, such as:
Counter data types are commonly used in SNMP monitoring. They are extremely useful, but there’s a couple of caveats around how to use them. Here’s a couple of issues I’ve...
