Re: How to use lacp runner with port priority?

[Jiri Pirko]

Thu, Apr 11, 2024 at 10:11:34AM CEST, [e-mail] wrote:
> Hi all,
>
> I'm using teamd-v1.31(tag v1.31) from source compile from
> https://github.com/jpirko/libteam .
>
> This is my network topo:
> teamd-1
>    |              |
>    veth11    veth01
>    |              |
>    |              |
>    veth10    veth00
>    |              |
> teamd-0
>
> Which is run team-1 with veth11 and veth01, run team-2 with veth10 and
> veth00.
>
> This is my conf:
> ### teamd-0
>
> [root@centos8-20240407 public-libteam]# cat ../lacp-t0.conf
> {
>    "device":       "team0",
>    "runner": {
>        "name": "lacp",
>                "sys_prio": 5,
>        "agg_select_policy": "lacp_prio",
>        "active": true,
>        "tx_hash": ["eth", "ipv4", "ipv6"]
>    },
>    "link_watch":       {"name": "ethtool"},
>    "ports":        {
>        "veth00": {"lacp_prio": 30},
>        "veth10": {"lacp_prio": 20}
>    }
> }
>
> ### teamd-1
>
> [root@centos8-20240407 public-libteam]# cat ../lacp-t1.conf
> {
>    "device":       "team0",
>    "runner": {
>        "name": "lacp",
>                "sys_prio": 66,
>        "active": true,
>        "tx_hash": ["eth", "ipv4", "ipv6"]
>    },
>    "link_watch":       {"name": "ethtool"},
>    "ports":        {
>        "veth01": {},
>        "veth11": {}
>    }
> }
>
> In my opinion and code, I think this conf will cause this behavior:
> teamd-0 use lacp, use low system priority, use equal port priority.
> teamd-1 use lacp, use high system priority, use not euqal port priority.
> then veth11 and veth10 will UP, veth01 and veth00 will DOWN.
>
> But in fact, veth11 and veth10 is UP, veth01 and veth00 is also UP.

What exactly do you mean by "UP" and "DOWN"?
> So:
> What's wrong with my configure?
> How to configure use lacp port priority?
>
> Simon Jones
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