[ovs-discuss] lrouter drop the traffic which the logical input and output ports are the same

Ben Pfaff blp at ovn.org
Wed Dec 23 06:51:09 UTC 2015


On Tue, Dec 08, 2015 at 05:49:33PM +0800, Wei Li wrote:
> topo:
> vm1         vm2
>   |                |
>   |                |
> ---------------
> |     lswitch     |
> ---------------
>           |
> ---------------
> |     lrouter     |
> ---------------
> 
> vm1`ip 10.0.0.1,  vm2`ip 10.0.0.2,  lrouter`s default_gw is 10.0.0.2(vm2)
> 
> In lrouter, the inport and output of the traffic form vm1 to default_gw is
> same, so lrouter will drop it in "Table 34"
> 
> In scenario as follows:
> vm2 is firewall, all traffic to outside will be send to vm2.
> 
> Is it correct?

Can you be more specific?  That is, can you give an example of a packet
that will be treated incorrectly?



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