Hi. I'm working with OVS 2.13.2&OVN20.02,I want to use IPv6 tunnel-encap and here is my configure step:
1、create ovs bridge and tunnel port（vtep）
2、bring up vtep and get vtep's IPv6 addr(ovn-encap-ip)
3、set ovs's external_id:ovn-encap-ip to vtep's IPv6 addr
[root@node]# ovs-vsctl list op
uuid:cfd99965-eb2a-44d4-93b6 -b4ecbf848635
bridges: [7bb3b5e8-0d69-4468-a859-88298c16f9d2,
cb2b5166-4d0b-44b6-b005-f7c7c8659c34, d5fa96b9-fb64-490d-9120e912d17e6c]
cur cfg: 257
datapath_types : [netdev, system]
datapaths:{}
db_version: "8.2.0"
dpdk_initialized : false
dpdk_version: DPDK 19.11.3"
external_ids : {hostname=node-191, ovn-bridge-br-ovn,
ovn-bridge-mappings="default:br-provider,public:br-provider",
ovn-cms-options=enable-chassis-as-gw,
ovn-encap-ip="fe80::e0d8:67ff:fe55:7d19", ovn-encap-type=stt,
ovn-remote="tcp:100.7.34.48:6642",
ovn-transport-zones=a397bfee2d4711ebac4186d7cd40f75a,
rundir="/var/run/openvswitch",
system-id="d5029981-b99f-45ce-a885-b79aeddea23c"}
iface_types: [erspan, geneve, gre, internal, ip6erspan, ip6gre, lisp, patch,
stt, system, tap, vxlan]
manager_options : [f6619ada-bf7c-40e9-a698-e4c326cb5da2]
next_cfg:257
other_config:{stats-update-interval="10000", vlan-limit="2"}
ovs_version:"2.13.2"
ssl:[]
statistics:{}
system_type:{}
system_version:{}
ovs-vsctl show
....
Bridge br-ovn
fail_mode: secure
Port br-ovn
Interface br-ovn
type: internal
Port vn5e8406140
Interface vn5e8406140
Port ovn-22f98e
Interface ovn-22f98e-0
type: stt
options: {csum="true", key=flow,
remote_ip="fe80::20bd:7ff:fe9d:402f"}
ovs version: "2.13.2"
when I set OVS's tunnel type(ovn-encap-type) to VXLAN or geneve,the tunnel
works fun;but when i change OVS's tunnel type to STT,I got following error:
ovs-vswitchd.log:
...
dpif(handler122)|WARN|system@ovs-system:failed to put[create] (Invalid
arguemnt) ufid:792c1ed4-2dc1-498c-8609-1dbdd0848b0b recirc_id(0),dp_hash(0),
skb_prority(0)
,tunnel(tun_id=0x10002000003,src=127.0.0.1,ttl=64,tp_src=61369,tp_dst=7471,f
lags(csum|key)),in_port(2),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_
slabel(0),
eth(src=00:16:3e:89:5f:30,dst=00:16:3e:f3:8f:b0),eth_type(0x0800),ipv4(src=1
2.12.12.5,dst=12.12.12.29,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)
....
message:
...
kernel:openvwitch:netlink:IPv4 tunnel dst address is zero
...
Does OVS 2.13.2 support STT IPv6 encap?
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