Re: [Qemu-devel] [wiki] New wiki page - vhost-user setup with ovs/dpdk backend

[Marcel Apfelbaum <marcel@redhat.com>]

On 09/21/2015 11:25 AM, Marcel Apfelbaum wrote:
> On 09/21/2015 08:01 AM, Star Chang wrote:
>> Hi Marcel:
>>
>> Many thanks for you to contribute wiki page in how to configuring vhost-user type with openvsitch/qemu in VM environment.
>>
>> We bring 2 VMs up with vhost-user type. We can see eth0 interfaces created in 2 VMs with proper mac address we assign. After IP address assignment, 2 VMs could not PING to each other when they are in
>> the same subnet. There are not packets at all in count when running ovs-ofctl dump-ports :(
>>
>> However, we check link up state via ovs-ofctl utility but LINK_DOWN as below. Have any one with experiences and give some helps … Thanks!!
>>
>
> Hi,
>
> I would look into OVS log for specific issues:
>
>     journalctl  --since `date +%T --date="-10 minutes"`
>
> The above command will show you the last 10 minutes log.
> You are welcomed to show us the log.
>

I forgot to CC the list.

Thanks,
Marcel

> Thanks,
> Marcel
>
>> $ sudo ./utilities/ovs-ofctl show ovsbr0
>> OFPT_FEATURES_REPLY (xid=0x2): dpid:00000670da615e4a
>> n_tables:254, n_buffers:256
>> capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
>> actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst
>> 1(vhost-user1): addr:00:00:00:00:00:00
>> config: PORT_DOWN
>> state: LINK_DOWN
>> speed: 0 Mbps now, 0 Mbps max
>> 2(vhost-user2): addr:00:00:00:00:00:00
>> config: PORT_DOWN
>> state: LINK_DOWN
>> speed: 0 Mbps now, 0 Mbps max
>> LOCAL(ovsbr0): addr:06:70:da:61:5e:4a
>> config: PORT_DOWN
>> state: LINK_DOWN
>> current: 10MB-FD COPPER
>> speed: 10 Mbps now, 0 Mbps max
>> OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
>>
>>
>>
>> Thanks,
>> Star
>>
>> --
>> The future belongs to those who believe in the beauty of their dreams.
>>
>>
>