[ovs-discuss] Not receiving LLDP packets

Justin Pettit jpettit at nicira.com
Tue Apr 14 05:41:06 UTC 2015

Are there any flows on that bridge?  If not, you probably just have the "normal" flow that drops many types of BPDUs as described in the ovs-vswitchd.conf.db man page.


> On Apr 13, 2015, at 5:55 AM, MOUTET Clément <Clement.MOUTET at cea.fr> wrote:
> Hi,
> I am currently using openvswitch with an SDN controller and I am experiencing an issue; I can't receive LLDP packets.
> I have two openvswitches, s1 and s2, connected threw an ethernet cable that send LLDP packets to each other. (it is the way OpenDaylight discovers the network topology)
> For each  of theses switches, I created a virtual bridge, and added the port that I wanted : 
> ovs-vsctl add-br br0
> ovs-vsctl add-port br0 eth1
> When I do a tcpdump on eth1, I can see LLDP packets sent and received. But when I do tcpdump on br0, I only see the LLDP packets sent. It seems that LLDP packets received in eth0 are not transmitted to br0.
> Does someone know what I should do ?
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