nostr:npub1yck44z5zqxmwpqzqs75ay6ffjdw843ng9p6mz0lzfff3fgz2djlsngujmw Straaaaange choice of wording.
And whether VLAN 1 has an actual VLAN ID value stamped into the frame header or not is imatterial to your described situation.
VLAN 1 being untagged is still logically batshit insane.