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Finding out where a particular ToS is coming from?

Hi guys,

I am fairly new to NTA, so first does anyone know any good videos or reading material on how to use it?

Next, I have something on my network that is sending traffic with a DSCP value of CS5. Does anyone know how I can use NTA to find what endpoint is doing this?

Thanks

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Accepted answers

maholmes

Hi Cory,

You'll be able to find some resources on Netflow and the NTA module here.

There are a few ways to find what you're looking for, this is one of them. Assuming your exporting the Netflow which has the CS5 data to Orion;

Access your Orion web interface and hover over the Netflow tab and click on NTA Summary.
You should have the Flow Navigator hugging the left side of the page, expand it by clicking on the arrows.
Under the View Type section, change the Summary View drop down box to Endpoints.
Expand the Types of Service (TOS) selection criteria. Depending on the specifications of the server for Orion and the amount of Netflow data you're capturing it may take a moment to load the possible selections.
Make sure it's set to Include and then use the second drop down box and select the TOS you want to filter; CS5. Then press submit.
The page should then reload with endpoint information for data that is using CS5.

Mark

All comments

maholmes

Hi Cory,

You'll be able to find some resources on Netflow and the NTA module here.

There are a few ways to find what you're looking for, this is one of them. Assuming your exporting the Netflow which has the CS5 data to Orion;

Access your Orion web interface and hover over the Netflow tab and click on NTA Summary.
You should have the Flow Navigator hugging the left side of the page, expand it by clicking on the arrows.
Under the View Type section, change the Summary View drop down box to Endpoints.
Expand the Types of Service (TOS) selection criteria. Depending on the specifications of the server for Orion and the amount of Netflow data you're capturing it may take a moment to load the possible selections.
Make sure it's set to Include and then use the second drop down box and select the TOS you want to filter; CS5. Then press submit.
The page should then reload with endpoint information for data that is using CS5.

Mark

corydryden

I can't see the Flow Navigator part. I can't even see it in the add resources when I edit the page.

Thanks Mark

corydryden

I upgraded NTA now it is there. Thanks Mark!