Hi all, I have a simple setup with a NOX controller in one PC and other two PCs with OVS. The OVS boxes are linked directly to the NOX box and have a link between them also. I'm trying to use the NOX topology discovery module, which uses LLDP packets.
My problem is that the OVS boxes do not forward the LLDP packets generated by NOX. When I check the logs generated by ovs-vswitchd I got several messages like those: *** Oct 10 17:14:38|27968|vconn|DBG|tcp:192.168.0.7:6633: received: OFPT_PACKET_OUT (xid=0x0): in_port=CONTROLLER actions_len=8 actions=output:1 data_len=34 00:02:44:2e:71:b9 > 01:23:20:00:00:01, ethertype LLDP (0x88cc), length 34: (...) Oct 10 17:14:38|27972|dpif|WARN|system@br0: execute 1 failed (Invalid argument) on packet 00:02:44:2e:71:b9 > 01:23:20:00:00:01, ethertype LLDP (0x88cc), length 34: *** The first message shows the LLDP packet sent by NOX in the OFPT_PACKET_OUT openflow message and the second is a strange warning. Which is the "Invalid argument" in the second message? Also, why the LLDP messages are discarded by OVS? ---- Best regards, Glauco
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