I have configured ovs flows like this on ovs bridge:
1. cookie=0x0, duration=2261.104s, *table=0*, n_packets=23, n_bytes=1702,
idle_age=1877, tcp,in_port=8,nw_src=51.0.0.4 actions=group:1,resubmit(8,7)
2. group_id=1,type=select,bucket=actions=set_field:fa:16:3e:48:
cd:9e->eth_dst,resubmit(,5)
3. cookie=0xb2c6f4127f2f27cc, duration=24849.587s, *table=5*,
n_packets=303, n_bytes=22830, idle_age=1940,
priority=0,ip,dl_dst=fa:16:3e:48:cd:9e
actions=push_mpls:0x8847,load:0x1ff->OXM_OF_MPLS_LABEL[],
set_mpls_ttl(255),mod_vlan_vid:3,output:2
4. cookie=0x0, duration=17142.766s, *table=7*, n_packets=36, n_bytes=2664,
idle_age=1996, priority=2,ip,dl_dst=fa:16:3e:78:13:cd
actions=push_mpls:0x8847,load:0x1fe->OXM_OF_MPLS_LABEL[],
set_mpls_ttl(254),mod_vlan_vid:3,output:2
ovs port:2 is patch port to tunnel bridge (another ovs bridge)
On tunnel bridge, this is the flow:
5. cookie=0x0, duration=2465.760s, table=22, n_packets=36, n_bytes=2664,
idle_age=267, priority=1,dl_vlan=3 actions=strip_vlan,load:0x49->
NXM_NX_TUN_ID[],output:2
*If in (3) and (4) I do not set MPLS fields, traffic works as expected.*
Other relevant info:
*cat /proc/version*
Linux version 4.2.0-42-generic (buildd@lgw01-55) (gcc version 4.8.4 (Ubuntu
4.8.4-2ubuntu1~14.04.3) ) #49~14.04.1-Ubuntu SMP Wed Jun 29 20:22:11 UTC
2016
*ovs-vswitchd --version*
ovs-vswitchd (Open vSwitch) 2.6.1
*sudo ovs-dpctl show*
system@ovs-system:
lookups: hit:605248 missed:239296 lost:1270
flows: 0
masks: hit:1966804 total:1 hit/pkt:2.33
port 0: ovs-system (internal)
port 1: br-int (internal)
port 2: br-ex (internal)
port 3: br-tun (internal)
port 4: tape79dba01-eb (internal)
port 5: qr-fc1d6bca-50 (internal)
port 6: qg-27b44ec1-74 (internal)
port 7: qr-1dd26eee-a7 (internal)
port 8: tap29132628-3d (internal)
port 9: vxlan_sys_4789 (vxlan)
port 10: tap605a9cd5-98
port 11: tapb80b5a72-d7
port 12: qr-815256d5-48 (internal)
port 13: tap96f28437-46 (internal)
port 14: tap2ad1704d-cd
port 15: qr-fdfee796-74 (internal)
port 16: tapea2cd065-96
port 17: tapd75ec3fa-97
port 18: tapa8e07edf-0e
*sudo ovs-vsctl show*
52d8f41f-ba03-4006-b666-6d36c79f32d2
Manager "ptcp:6640:127.0.0.1"
is_connected: true
Bridge br-ex
Controller "tcp:127.0.0.1:6633"
is_connected: true
fail_mode: secure
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Bridge br-int
Controller "tcp:127.0.0.1:6633"
is_connected: true
fail_mode: secure
Port "tap96f28437-46"
tag: 4
Interface "tap96f28437-46"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port "tap29132628-3d"
tag: 3
Interface "tap29132628-3d"
type: internal
Port "qr-fc1d6bca-50"
tag: 1
Interface "qr-fc1d6bca-50"
type: internal
Port "qr-815256d5-48"
tag: 3
Interface "qr-815256d5-48"
type: internal
Port "qg-27b44ec1-74"
tag: 2
Interface "qg-27b44ec1-74"
type: internal
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "tapea2cd065-96"
tag: 3
Interface "tapea2cd065-96"
Port "tap605a9cd5-98"
tag: 3
Interface "tap605a9cd5-98"
Port "tap2ad1704d-cd"
tag: 4
Interface "tap2ad1704d-cd"
Port br-int
Interface br-int
type: internal
Port "tapa8e07edf-0e"
tag: 3
Interface "tapa8e07edf-0e"
Port "tape79dba01-eb"
tag: 1
Interface "tape79dba01-eb"
type: internal
Port "qr-1dd26eee-a7"
tag: 1
Interface "qr-1dd26eee-a7"
type: internal
Port "qr-fdfee796-74"
tag: 4
Interface "qr-fdfee796-74"
type: internal
Port "tapb80b5a72-d7"
tag: 3
Interface "tapb80b5a72-d7"
Port "tapd75ec3fa-97"
tag: 3
Interface "tapd75ec3fa-97"
Bridge br-tun
Controller "tcp:127.0.0.1:6633"
is_connected: true
fail_mode: secure
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Port br-tun
Interface br-tun
type: internal
Port "vxlan-c0a802b1"
Interface "vxlan-c0a802b1"
type: vxlan
options: {df_default="true", in_key=flow,
local_ip="192.168.2.91", out_key=flow, remote_ip="192.168.2.177"}
ovs_version: "2.6.1"
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