On 12 March 2018 at 12:48, Linus Lüssing <linus.luessing@xxxxxxxxx> wrote: > On Mon, Mar 12, 2018 at 12:08:56PM +0100, Linus Lüssing wrote: >> On Tue, Feb 27, 2018 at 11:08:20AM +0100, Rafał Miłecki wrote: >> > I've problem when using OpenWrt/LEDE on a home router with Broadcom's >> > FullMAC WiFi chipset. >> >> Hi Rafał, >> >> Thanks for reporting this issue! >> >> > Can you see any solution for this problem? Is that an option to stop >> > multicast-to-unicast from touching 802.11f packets? Some other ideas? >> > Obviously I can't modify Broadcom's firmware and drop that obsoleted >> > standard. >> >> Just to avoid some potential confusion: This is more an issue of >> hairpinning than it is an issue of multicast-to-unicast per se, >> right? >> >> That is, if you set this to 0 manually: >> /sys/class/net/<ap-iface>/brport/multicast_to_unicast >> Then the issue still occurs, right? > > Btw., if in OpenWRT/LEDE you set 'option multicast_to_unicast 0' > in /etc/config/network for the bridge (and not bridge port) > then netifd should refrain from setting the bridge hairpinning and > AP isolation on wireless devices, too, if I remember correctly. > > Can you confirm that the issue disappears for you then? Yes, absolutely. This reverts OpenWrt/LEDE to the old setup (no mcast-to-ucast + hairpin) and it works. I was hoping we can make mcast-to-ucast + hairpin work with Broadcom's 802.11f however instead of moving OpenWrt/LEDE back to the old setup. -- Rafał