On Mon, 22 Nov 2021 12:17:39 +0200 Nikolay Aleksandrov wrote: > > # ip link add name br0 type bridge vlan_filtering 1 > > # echo "0x88a8" > /sys/class/net/br0/bridge/vlan_protocol > > bash: echo: write error: Invalid argument > > Good catch, Bernard please send a revert. Thanks. Doesn't look like he did, would you mind taking over?