[ovs-discuss] Does OVS 2.13.2 support STT IPv6 encap?
Gregory Rose
gvrose8192 at gmail.com
Thu Dec 3 20:23:25 UTC 2020
On 11/24/2020 2:07 AM, Fengqi Li (李丰启) wrote:
> 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 at 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 at 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?
No, I'm afraid it does not. STT is not used much anymore and
does not get much attention.
- Greg
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