03 Aug 2014
This article is Part 6 in a 12-Part Series.
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01 Aug 2014
Packetpushers show 198 was a great episode about Network Automation. At one point, Greg asks:
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30 Jul 2014
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 why ScienceLogic introduced this feature, and what it does.
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29 Jul 2014
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 community configuration. I tried upgrading to W.15.14.0007, and it initially looked good, but shortly afterwards got alarms from my NMS about high memory usage.
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25 Jul 2014
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. This was in part due to my using nested virtualisation.
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23 Jul 2014
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 already seeing software showing up as a clear component of the prices of network gear?
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21 Jul 2014
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’ way, but it’s what I use.
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18 Jul 2014
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 in this industry, talking about the latest products and developments in networking. How cool is that?
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16 Jul 2014
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 be well. No alarms == Good. But every now and then no alarms means that monitoring is broken. Here’s an example of where this happened, and what I do about it.
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07 Jul 2014
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 are completely dead.
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