NetMRI Archives - NetCraftsmen

Recommendations for Running a NetMRI Trial

Because NetCraftsmen was offering a free 30 dial trial of Netcordia’s NetMRI software, we have had some recent discussions on the best way to run a trial. Here is my summary [...]

Terry Slattery

Tracking Key Interface State

The Baltimore-Washington area has been hit with several significant snow storms this winter and those storms have impacted the operations of a large metropolitan area network. Problems range from power [...]

Cisco Router Interface Wedged

We recently had an interface wedge on a customer router, with some interesting repercussions. The network topology is shown below. Every day from about 8am until 6pm, a 250Mbps – [...]

Terry Slattery

Handling NMS Performance Data, Part 4

In the previous posts (Handling NMS Performance Data, Part 2, and network management systems require that the administrator identify important interfaces or rank interface importance — a manually intensive process. [...]

Terry Slattery

Handling NMS Performance Data, Part 3

n the last post network management system may look easy. But it is much more than just collecting some data and building an interface that allows the network administrator to [...]

Terry Slattery

Handling NMS Performance Data, Part 2

I described collecting network performance data in last week’s blog Applied Infrastructure blog under

Terry Slattery

Handling NMS Performance Data, Part 1

Comprehensive network management systems have a very difficult job. They have to collect vast amounts of data from network interfaces and efficiently store it for rapid access. The job is [...]

Recap of August Articles

Here is a recap of articles I posted in August to my blog at Netcordia: “Quick Network Redundancy Test” describes why and how you should test the network redundancy that [...]

Terry Slattery

Quick Network Redundancy Test

Do you run a network with a high level of redundancy? If so, how susceptible is your network to the “second failure” syndrome? This is where a first failure occurred, [...]

Terry Slattery

Configuration Policy Functionality

I’ve been working with several network Applied Infrastructure blog under

Terry Slattery

Fixing problems at the right OSI layer

Have you ever used the OSI model to aid your troubleshooting? I’ve been able to use it to help me isolate the causes of problems and focus my troubleshooting to [...]

Recap of July Articles

Here is a recap of articles I posted in July to my blog at Netcordia: “Monitoring Critical Network Devices” discusses ways to configure a NMS to monitor your network devices [...]