How to find details for unknown protocol

How to find details for unknown protocol


hi,
 
I find some unknow protocols.
One of top Machines is 10.11.1.x , now I whant to find in a easy way what ports are in use in this server.
 
But all reports have Unknow protocol and don't say whis is the port.
 
And see trought unassigned is no pratical since I have over 2000 IPs and some of comunitactions have been done some days ago.
 
 
Can I search  to the Raw Traffic logs?
 
Thanls
 
 

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