An interesting thing happened to us this week that I thought I'd share here. As a general troubleshooting step when working with Orion customers, I commonly remove the data from within the payload portion of ICMP packets that Orion sends. I've seen a lot of situations over the years where this helped. For instance, I've…
This week we're testing some WAN acceleration gear in the lab and since its on my mind now and has been for a few weeks I thought I'd spend some time talking about WAN performance, optimization, and acceleration. Management of WAN connections can be a real bugger. Many of us "cut our teeth" as network engineers…
I get asked a lot about the security implications of enabling SNMP. With most technology, there is a security cost in enabling any non-security related feature. This is true just about anytime you enable a service on a piece of hardware that allows people to access it from the network. So sure, the network would be more…
I was in a meeting today where we were discussing some features within our products that aren't necessarily apparent to the average user. These are the types of features that you usually don't find out about until you've used the product for quite a while, gotten some tips from the experts, or attended a training class. I…
In the previous post I talked about a situation where a simple configuration issue on a couple of ethernet switches was causing a serious problem for the connected users. I failed to mention that I used one of the tools from the Engineer's Toolset to diagnose and resolve this issue. A lot of you are probably familiar with…
I just finished troubleshooting an issue where the link between a small workgroup switch and the switch upstream in the LDF kept going down. The workgroup switch was setup amongst a small group (10) of users and they'd basically reboot the switch when the issue occurred. Manually setting the speed and duplex states on both…
A week or so ago I wrote about the need for disaster recovery/preparedness within the enterprise. Seems like there is a lot of interest in more information on this subject - especially with regard to Orion - so I wanted to add a little more content before completely moving on to something else.. First, with regards to…
First of all, I know that I said that the next post would have more information about disaster recovery scenarios. However, this topic is hot on my mind and I'm in a location with very limited internet access this week so I'm going to defer the additional disaster recovery information for something that is more interesting…
First of all, thanks for stopping by to read this blog. I'll try to keep it interesting and provide at least a couple of new posts per week. Today's topic is disaster recovery/failover. As you may have noticed, we added this blog to the community site today at noon but it's now several hours later that I'm providing the…
For years I've been using Microsoft products. I thought as the maker of the most well known operating system, Microsoft would ultimately get it right. I thought wrong, and here we are. Before we go any further, let's start at the beginning. (I'll omit some OS versions I deem less noteworthy for this exercise.) Let's…
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