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NAM virtual appliance ver 5.1(2) capture filters broken?

I'm evaluating NAM 5.1(2) installed on Nexus 1010 for a customer. I have it up and running. Both Netflow and ERSPAN works fine but it's when I try to fileter what to capture with ERSPAN I run into problems.

This filer works fine:

Source 10.16.0.50/32

Dest 10.16.1.0/24

Encapsulation IP

Both directions - ticked

This captures all IP traffic between host 10.16.0.50 and network 10.16.1.0/24

At the moment I want to only capture udp packets so I limited the filter to the following

Source 10.16.0.50/32

Dest 10.16.1.0/24

Encapsulation IP

Both directions - ticked

Application or Port - Application

marked UDP in Application dropdown list

Now I see no packets att all. I have also tried

Source 10.16.0.50/32

Dest 10.16.1.0/24

Encapsulation IP

Both directions - ticked

Application or Port - Ports

source ports 0-65535

dest ports 0-65535

Still nothing comes in. Am I doing something wrong or is the filter broken?

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