Hello,

I have a system using the feature that implements custom symbolic diffserv marking names, In the past, I got it working with your help (Issue #203).

Now, I had to replicate settings in another server. First I cloned the VM of the first deployment and reviewed the flentrc file, which has the following lines:

`[global]
marking_names=10=0x28;12=0x30;14=0x38;16=0x40;18=0x48;20=0x50;26=0x68;34=0x88`

Once everything was in place I ran the following test:

`flent rrul_var -H 10.111.38.60 --test-parameter bidir_streams=5 --test-parameter markings=10,12,14,16,20`

In principle all went fine:

 
![Capture](https://user-images.githubusercontent.com/61751672/101208375-1ac72e00-3640-11eb-935d-8f88eb9f14b1.JPG)

Simultaneously, I performed a packet capture to see the marks in the traffic generated in the upload traffic as the download one doesn't seem to be marked maybe due to a router blocking, but that is not an issue right now. 

Looking at the upload captures I'm not seeing the outcome expected. I should see values of 0x28, 0x30, 0x38, 0x40 and 0x50 in those packets. Instead, I see values like 0x10, 0x0a, ox0e, etc.

![Capture](https://user-images.githubusercontent.com/61751672/101209320-8a89e880-3641-11eb-873e-ec7e87534ad5.JPG)
   
After banging my head for a wile, I would like to ask if you see anything that I may be missing in steps described above?

 Any clue would be appreciated.


Thanks! 


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