To use the ovs-appctl application you have to specify the socket path to the ovs-vswitchd process. ovs-appctl -t /var/run/openvswitch/<vswitchd control socket> list-commands e.g. ovs-appctl -t /var/run/openvswitch/ovs-vswitchd.10110.ctl list-commands
From: Hui Xiang [mailto:hui.xi...@canonical.com] Sent: Monday, November 16, 2015 10:01 AM To: OpenStack Development Mailing List (not for usage questions) Subject: [openstack-dev] [networking-ovs-dpdk] ovs-appctl doesn't function correctly Hi all, I have managed to setup ovs-dpdk on Ubuntu, commands 'ovs-vsctl/ovs-ofctl' all work well excep 'ovs-appctl', could anyone help me to figure it out? Thanks in advance. xianghui@xianghui:~$ sudo ovs-ofctl show br-int OFPT_FEATURES_REPLY (xid=0x2): dpid:0000264fa4e1f24f 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(int-br-eth1): addr:2e:23:93:7f:54:14 config: 0 state: 0 speed: 0 Mbps now, 0 Mbps max 2(tap7a2317aa-90): addr:0c:52:ff:7f:00:00 config: PORT_DOWN state: LINK_DOWN speed: 0 Mbps now, 0 Mbps max 12(vhu5392206b-dc): addr:00:00:00:00:00:00 config: PORT_DOWN state: LINK_DOWN speed: 0 Mbps now, 0 Mbps max LOCAL(br-int): addr:26:4f:a4:e1:f2:4f 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 xianghui@xianghui:~$ sudo ovs-appctl vlog/set dbg 2015-11-16T09:50:28Z|00001|daemon_unix|WARN|/var/run/openvswitch/ovs-vswitchd.pid: open: No such file or directory ovs-appctl: cannot read pidfile "/var/run/openvswitch/ovs-vswitchd.pid" (No such file or directory) Also tried as below, failed as well. xianghui@xianghui:~$ sudo ovs-appctl -t /opt/stack/logs/ovs-vswitchd.pid vlog/set dbg 2015-11-16T09:58:15Z|00001|unixctl|WARN|failed to connect to /opt/stack/logs/ovs-vswitchd.pid ovs-appctl: cannot connect to "/opt/stack/logs/ovs-vswitchd.pid" (Connection refused) xianghui@xianghui:~$ sudo ovs-appctl -t /var/run/openvswitch/db.sock vlog/set dbg unknown methodovs-appctl: /var/run/openvswitch/db.sock: server returned an error -- Best Regards. Hui. OpenStack Engineer
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