I have added a new node in NPM and currently there are hundreds of interfaces that I am trying to plot, however, I just want to plot INTERFACE TRAFFIC STATISTICS of all the interfaces. Is there any way I can do that for all the interfaces in bulk?
One solution is cumbersome: Create a new Report or View and insert a Custom HTML resource for each interface in it. This is time consuming to build and time consuming to load and view, but it DOES do exactly what you want--except NOT in bulk. I've created this type of resource several times because it serves a good purpose for seeing all the bandwidth graphs on one page. An example, with instructions how to build it, can be seen here: How to create a simple custom view of multiple interfaces' bandwidth utilization
The drawback of doing this for every individual port in a switch is that it can't be done in bulk. It's tedious and once it's complete the finished page takes a long time to load if you have many ports. I do it solely for core switch/router ports since the information is worth seeing. Seeing the individual access switch port utilization isn't as interesting or necessary in my environment.
A simpler solution would be to just monitor the uplink port(s) from a switch. You'd only have one or two graphs to build and it's easy for NTA to show the big picture of what bandwidth is being demanded of a switch in total If you have the right hardware in play (like a Cisco 4510 version 8 chassis) you can apply Netflow reporting to all 384 switchports and let NTA show you what's happening at the L3 interface for any individual port that crosses an SVI boundary. The drawback is that if the port traffic is east-west it doesn't cross a routing interface, and might not be displayed--depending on the hardware you're using.
Have you looked at the pre-existing Reports available in NPM? I wonder if you might find benefit in copying one and editing it to serve your needs more simply. Let's say you used the "Interface Received Traffic - Last 7 Days" Report. If you edited it to only report the output of one specific switch, and if you chose to report on the top 48 ports of a 48-port switch, you'd have some easily generated data. Right out of the box it will tell you the average throughput of the ports. Here's a sample output:
You could graph the data with this resource, too, or export it to Excel and graph it or adjust its characteristics there as well.
I have already created that report but that's not what this query is about. I want to poll only traffic statistics of multiple interfaces, this is done while adding an interface in a node.
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