[ovs-discuss] looking for why TX packets - or how to go out of OVS bridge for normal routing

[samantha Andares]

I just wanted to specify packets are dropped at port eth1 in br_access but I have no idea how to debug that... must have some debug available somewhere... but the logs in ovswitch don't tell me anything about the reasons why packets are dropped... 
 
thanks for your time, I really need to fix that up...
 
From: sam.andares at hotmail.com
To: discuss at openvswitch.org
Date: Wed, 17 Sep 2014 17:04:55 -0400
Subject: [ovs-discuss] looking for why TX packets - or how to go out of OVS bridge for normal routing




Hi all, 
 
Trying to find the reason why my packets are dropped on my last outgoing port.
 
I am receiving packets in an OVS bridge, sending those packets to another OVS bridge on the same node using patch-ports. Kind of the following:
 
__________________NODE A___________________      ___NODE B___
_______br_core______          _____br_access_______
eth0 --> patch-porteth0 ------> patch-porteth1 --> eth1 -----> eth1
          192.168.168.50                    192.168.167.50                 192.168.167.51

I have a rule on my br_access that shows these packets hit the rule.... but rather than sending these packets out... they are all dropped. I use iperf to send udp packets and they are all dropped... Can someone help on showing me how to debug that thing? How can I log the reason why the drop counter increases. I don't even understand why it just blindly sends the packet out through that interface since the rule is saying it should.
 
The only reason why I created a br_access bridge was because I was not able to go out of the br_core to use normal ip routing..... I used a rule to force actions=NORMAL when receiving a certain packet with a dest ip in br_core.... but it failed.. so I created a patch bridge like shown below... but I'm still not able to get the packets I want.... I basically.. just want to go out of the OVS switch to use normal routing... can someone help on how to achieve this. Been blocked for some time now and my pressure is building up ;-)
 
thanks for your time, 
samantha

 
 		 	   		  

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