VPC Traffic Mirror Session Error

Question

I'm confused about what is required to setup a traffic mirror session.  I haven't seen any specific dependencies for instance type or funtion etc.  When I assign the mirror source I get an error the reads "eni-xxx must be attached to a supported instance".  I have tried connecting this to different virtual nics and instance types and have recived the same results.  Any help would be greatly appreciated.

Answer

Hello,  
  
thank you for sending this message.  
  
I see you are having some trouble with traffic mirroring, so this link below will guide you in doing so step by step : https://docs.aws.amazon.com/vpc/latest/mirroring/traffic-mirroring-session.html   
  
Looking at the error you provided, there’s a possibility that you might have used an unsupported instance type. Traffic Mirroring is not supported on the following Nitro instance types :      
     
\[1]  *n.metal  
\[2]  u-*.metal  
\[3] p4d.*  
  
This link below provides you with Traffic Mirroring quotas and considerations : https://docs.aws.amazon.com/vpc/latest/mirroring/traffic-mirroring-considerations.html  
  
You can also check the foliowing thread, the person had the same issue and he solved it by changing the instance type to a supported nitro instance : https://stackoverflow.com/questions/56998034/error-network-interface-must-be-attached-to-a-supported-instance-createtraffi  
  
Get back to us if you need anything.

VPC Traffic Mirror Session Error

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