On 06.06.20 15:19, Bjørn Mork wrote:
Bjørn Mork <[email protected]> writes:

I wonder if I have understood this correctly:
1) vlan_filtering is required when bridging tagged and untagged DSA
    ports, and
2) all bridge ports, including the wireless VIFs, must be configured
    with the correct VIDs when vlan_filtering is enabled

An if so, how are we supposed to configure that?

quarky just posted a great tip in the forum:
https://forum.openwrt.org/t/mt7621-dsa-switch-vlan-configuration/65458/2?u=bmork

Despite having looked for exactly this, I had not seen the
"vlan_default_pvid" setting before.  This seems to solve the problem I
described.

I believe the tagged wan port, where one VID on wan is part of a bridge,
is a semi-common usecase for OpenWrt (and CPEs in general).  Maybe this
kind of bridge automatically should enable settings like:

  ip link set <br-name> type bridge vlan_default_pvid <wan-vid>
  ip link set <br-name> type bridge vlan_filtering 1

as described by quarky?

AFAICS, a DSA based brigde won't work without something like that, and
having each user figure that out by themselves is going to create a lot
of frustration...


Bjørn


Hi Bjørn,
indeed, we need to put this into netifd. would it be possible to collect all the relevant info and put it into the wiki for manual setup ? i would volunteer to add it into netifd in that case.
        John

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