Re: Bridging LACP PDUs ?

From: Lutz Donnerhacke <lutz_at_donnerhacke.de>
Date: Thu, 10 Nov 2022 13:12:24 UTC
On Tue, Nov 08, 2022 at 04:44:38PM +0300, Özkan KIRIK wrote:
> Topology is below:
> [switch1 - lacp] <---> [ freebsd bridge ] <---> [switch2 - lacp]
> 
> Is there a way to pass LACP PDUs ?

LACP packets are more layer1 than layer2, they must not be forwarded at
layer2 to different endpoints.

Does you setting allow the following?

  [switch1 - lacp] <---> [ freebsd bridge ] <---> [switch2 - lacp]
                                  ^
                                  |
                                  |
                                  v
                         [ switch 3 - lacp ]

If not, why you are using a bridge?

A typical solution is to have multiple LACPs:
  switch1 --lacp-- lagg1 | freebsd bridge | lagg2 --lacp-- switch2