Are you using OVS kernel datapath? You can double check it by adding flows manually.
From: ovs-discuss-boun...@openvswitch.org [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of hai tsing Sent: Tuesday, September 25, 2018 9:57 PM To: ovs-discuss@openvswitch.org Subject: [ovs-discuss] Why the NSH is not been supported by the ovs-2.9.0? Dear all: I encounter a trouble that my ovs does't support nsh! When the openstack networking-sfc was populating some flows, the following ERROR occures. when I was looking for resolution, The ovs release note tells that nsh is supported on version 2.9.0(http://www.openvswitch.org//releases/NEWS-2.10.0.txt<http://www.openvswitch.org/releases/NEWS-2.10.0.txt>). so what should i do for enabling NSH of ovs? 2018-09-25 21:23:53.558 17403 ERROR neutron.agent.linux.utils [req-f484f89b-9acf-4303-9c79-7adc862bff5c - - - - -] Exit code: 1; Stdin: hard_timeout=0,idle_timeout=0,priority=30,cookie=8156743583516943314,nw_dst=0.0.0.0/0.0.0.0,eth_type=2048,tp_dst=0/0x0,table=0,tp_src=0/0x0,nw_src=192.168.6.5,in_port=21,actions=encap(hdr=nsh,prop(class=nsh,type=md_type,val=1)),set_field:0x1->nsh_spi,set_field:0xff->nsh_si,encap(hdr=ethernet),group:1; Stdout: ; Stderr: ovs-ofctl: -:1: Encap hdr not supported: nsh 2018-09-25 21:23:53.559 17403 ERROR neutron.agent.common.ovs_lib [req-f484f89b-9acf-4303-9c79-7adc862bff5c - - - - -] Unable to execute ['ovs-ofctl', 'add-flows', '-O', 'OpenFlow13', 'br-int', '-']. Exception: Exit code: 1; Stdin: hard_timeout=0,idle_timeout=0,priority=30,cookie=8156743583516943314,nw_dst=0.0.0.0/0.0.0.0,eth_type=2048,tp_dst=0/0x0,table=0,tp_src=0/0x0,nw_src=192.168.6.5,in_port=21,actions=encap(hdr=nsh,prop(class=nsh,type=md_type,val=1)),set_field:0x1->nsh_spi,set_field:0xff->nsh_si,encap(hdr=ethernet),group:1; Stdout: ; Stderr: ovs-ofctl: -:1: Encap hdr not supported: nsh : ProcessExecutionError: Exit code: 1; Stdin: hard_timeout=0,idle_timeout=0,priority=30,cookie=8156743583516943314,nw_dst=0.0.0.0/0.0.0.0,eth_type=2048,tp_dst=0/0x0,table=0,tp_src=0/0x0,nw_src=192.168.6.5,in_port=21,actions=encap(hdr=nsh,prop(class=nsh,type=md_type,val=1)),set_field:0x1->nsh_spi,set_field:0xff->nsh_si,encap(hdr=ethernet),group:1; Stdout: ; Stderr: ovs-ofctl: -:1: Encap hdr not supported: nsh
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