Hello team!

I am trying to simulate natting using distributed gateway router. There is an 
article that is very close to what I am doing almost the hit, and yet there are 
still some open questions I cannot answer. I need some help here: 
https://developers.redhat.com/blog/2018/11/08/how-to-create-an-open-virtual-network-distributed-gateway-router#
Please find an attached file, that can be integrated into OVN test suit, like 
this:

git diff  origin/master origin/my_branch ./tests/testsuite.at
      1 diff --git a/tests/testsuite.at b/tests/testsuite.at
      2 index 4941792..e32640c 100644
      3 --- a/tests/testsuite.at
      4 +++ b/tests/testsuite.at
      …
     10 +m4_include([tests/natting-ovn.at])

And
git diff  origin/master origin/my_branch ./tests/automake.mk
      1 diff --git a/tests/automake.mk b/tests/automake.mk
      2 index 8d7dd87..3b30a48 100644
      3 --- a/tests/automake.mk
      4 +++ b/tests/automake.mk
      5 @@ -47,6 +47,8 @@ TESTSUITE_AT = \
     …
     10 +       tests/natting-ovn.at \
     12

As you can see into the attached file, this is almost one to one from OVN test 
suit: neighbor update on same HV
What I did in addition I just added an ln-ext port on pub switch to simulate as 
it were an external network. In addition, I have implemented a function that 
sends a packet through the network. It forks, but it is working as it were 
without NAT, router (lr1/lr0) just routes the packet from one subnet 
(20.0.0.10) to another one (174.24.4.200), no any nutting happens.

Any hints to get an understanding would be highly appreciated.
Your truly,
George
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Attachment: natting-ovn.at
Description: natting-ovn.at

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