On Mon, Mar 26, 2012 at 10:00:34AM +0200, Maxime JÉGO wrote:
> Hello everybody, i have a problem with the interaction between my OVS and my 
> switch.
> When i want to ping my gateway on my cisco,  from my Virtual Machine (VM1), I 
> see on eth1 (interface linked to the switch and to the bridge br0), that i 
> have only the arp request tagged 35, and not the reply...
> 
> Furthermore, if i add a static entry in arp table on VM1, i can see that the 
> ping request is sent to the cisco, and with a port mirroring on the cisco 
> interface, i see (with tcpdump) the request and the reply without tag.... so, 
> no reply on eth1...
> Very strange .... I don't understand ..

It sounds like you should configure eth1 in OVS as native-tagged for
VLAN 35, e.g.:
        ovs-vsctl set port eth1 vlan_mode=native-tagged tag=35
so that OVS will treat untagged packets coming in on eth1 as part
of VLAN 35.
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