DSA Mini-tutorial still marked as Work In Progress
Michael Richardson
mcr at sandelman.ca
Fri Sep 9 00:10:14 PDT 2022
Jo-Philipp Wich <jo at mein.io> wrote:
> Bluntly speaking, DSA is the thing that gives you one Linux network
> device per switch port and bridge VLAN filtering is the stuff that
> allows you declaring swconfig-esque VLAN port groups on top of an
> arbitrary bridge interface.
..
> Another conceptual issue I see is that people came to expect a
> dedicated "switch" configuration ui which is something that does not
> really work with DSA devices anymore since there is no dedicated switch
> hardware entity to interact with anymore (DSA takes care of completely
> abstracting this away from the user point of view) and that
> bridge-vlans just happen to be a configuration detail of a bridge, and
> that there happens to be a bridge "br-lan" by default, but a system
> could have multiple bridges, or none at all.
> So we should also explain why there is no central "switch
> configuration" anymore and that this does not translate into a loss of
> functionality, but that the former semi opague swconfig switch
> configuration entity was dissolved into a bunch of ethernet devices
> inside a bridge...
+1
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