[ovs-discuss] Same gw mac on 2 VLAN for segmented subnet

[Jerome Castang]

Hello all, 


We are experiencing some strang behavior in our XenServer using open vSwitch. 
We have one phisical host receiving trunked traffic with 2 VLANs. 
These 2 VLANs represent the same subnet, one is for "firewalled" traffic the other for "direct internet access". 


What we are experiencing is: 
* If a firewalled VM send traffic out, all other vm are receiving this traffic 
* Input traffic to these VM is operating normaly 
* Input and output traffic for "direct internet access" is operating fine. 
* Asking ovs mac adress table, we can see that gateway mac address is only learned on "direct access" VLAN (not on firewalled one). 


In order to have best networking, we expected to see mac on these two vlan (as we can see on physical switches). 


Is there a way to get this working ? 


Or is it just some parameters to change ? 


Thanks a lot for any help, 


-- 

Jerome Castang 

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