Hi Om Prakash,
To see the br-int show output you can explicitly specify the openflow
protocol version 1.3 as mentioned below.
*sudo ovs-ofctl -O Openflow13 show br-int*
Thanks & Regards,
Karthikeyan.
On Thu, Jul 5, 2018 at 9:59 PM, Karthikeyan <[email protected]>
wrote:
> Hi Om Prakash,
>
> Please refer the [0] email thread in ovsdb-dev related to same as your
> issue.
>
> [0]: https://lists.opendaylight.org/pipermail/ovsdb-dev/2015-Febr
> uary/001211.html
>
> *OVS Uninstall/Install - Verification Steps:*
>
> Please follow the below steps to confirm whether you have properly
> downgraded the OVS 2.8 to 2.6.
>
> After uninstalling the OVS 2.8 (sudo apt-get purge --auto-remove
> openvswitch-switch)execute* “lsmod | grep openvswitch” *command and
> observe the output.
>
> - If it shows some output, then either restart vm or execute *“sudo
> modprobe -r openvswitch”.*
> - Please make sure “lsmod | grep openvswitch” doesn’t show any output.
>
>
> Thanks & Regards,
> Karthikeyan.
>
>
> On Thu, Jul 5, 2018 at 8:55 PM, PRAKASH, OM <[email protected]> wrote:
>
>> Hi Karthikeyan,
>>
>>
>>
>> Actually I see below error. I think when I downgraded the OVS version
>> from 2.8 to 2.6 , it did not happen correctly .
>>
>>
>>
>> I used below command to uninstall OVS 2.8 “sudo apt-get purge --auto-remove
>> openvswitch-switch”
>>
>>
>>
>> Can you please suggest what should be done .
>>
>>
>>
>> stack@compute00:~/devstack$ sudo ovs-ofctl show br-int
>>
>> 2018-07-05T14:59:19Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>> version negotiation failed (we support version 0x01, peer supports version
>> 0x04)
>>
>> ovs-ofctl: br-int: failed to connect to socket (Broken pipe)
>>
>>
>>
>>
>>
>>
>>
>> stack@compute00:~/devstack$ sudo ovs-ofctl show br-physnet1
>>
>> OFPT_FEATURES_REPLY (xid=0x2): dpid:000008002755c154
>>
>> 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(enp0s10): addr:08:00:27:55:c1:54
>>
>> config: 0
>>
>> state: 0
>>
>> current: 1GB-FD COPPER AUTO_NEG
>>
>> advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
>>
>> supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
>>
>> speed: 1000 Mbps now, 1000 Mbps max
>>
>> 2(br-physnet1-int): addr:1e:cb:05:67:cf:a1
>>
>> config: 0
>>
>> state: 0
>>
>> speed: 0 Mbps now, 0 Mbps max
>>
>> LOCAL(br-physnet1): addr:08:00:27:55:c1:54
>>
>> config: 0
>>
>> state: 0
>>
>> speed: 0 Mbps now, 0 Mbps max
>>
>> OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
>>
>> s
>>
>>
>>
>> *Thanks*
>>
>> *Om Prakash*
>>
>>
>>
>> *From:* Karthikeyan [mailto:[email protected]]
>> *Sent:* Tuesday, July 03, 2018 12:17 PM
>> *To:* PRAKASH, OM <[email protected]>
>> *Cc:* [email protected]; om prakash <[email protected]>;
>> [email protected]; [email protected]
>> *Subject:* Re: [netvirt-dev] [sfc-dev] Opendaylight support for
>> networking-sfc
>>
>>
>>
>> Hi Om Prakash,
>>
>>
>>
>> Based on the shared nova VM instance console log output, VM instance
>> has initiated DHCP discover request but we need to know whether dhcp
>> agent(q-dhcp) is sending dhcp offer response properly back to the VM or
>> not. To confirm this please do packet (using tcpdump) capture of the VM tap
>> interface also please confirm whether openstack q-dhcp service is up and
>> running properly without any issues. Please refer the below sample q-dhcp
>> service running status from the openstack cli command response.
>>
>>
>>
>>
>>
>>
>>
>> stack@osc-pike-ubuntu16:~$ openstack network agent list
>>
>> +--------------------------------------+----------------+---
>> ----------------+-------------------+-------+-------+-------
>> -----------------------+
>>
>> | ID | Agent Type | Host
>> | Availability Zone | Alive | State | Binary |
>>
>> +--------------------------------------+----------------+---
>> ----------------+-------------------+-------+-------+-------
>> -----------------------+
>>
>> | 1aa5f2c0-b6ea-4390-81fc-8e1f12d5a89e | Metadata agent |
>> osc-pike-ubuntu16 | None | :-) | UP |
>> neutron-metadata-agent |
>>
>> | 870fd06d-de30-4590-b33a-665556a410c2 | ODL L2 |
>> osc-pike-ubuntu16 | None | :-) | UP |
>> neutron-odlagent-portbinding |
>>
>> *| 8a5b4424-1e91-4932-9e6e-5a351817f70d | DHCP agent |
>> osc-pike-ubuntu16 | nova | :-) | UP | neutron-dhcp-agent
>> |*
>>
>> +--------------------------------------+----------------+---
>> ----------------+-------------------+-------+-------+-------
>> -----------------------+
>>
>>
>>
>> Thanks & Regards,
>>
>> Karthikeyan.
>>
>>
>>
>>
>>
>>
>>
>
>
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