Marcin Ślusarz <marcin.slusarz@xxxxxxxxx> wrote: > Let's assume we have 3 systems: A and B use 8821CU chip, and C uses > another chip from a different vendor. > > If A is in AP mode and A and B use the rtw88 driver, pinging A from B > and C by local name doesn't work because name resolution fails: avahi > on B and C sends a multicast request to resolve A.local, A sees it and > responds, but neither B nor C sees the response. > > In the same situation, but with A and B using the rtl8821cu driver > (from https://github.com/morrownr/8821cu-20210916.git), everything > works - B and C see A's response and can resolve A.local. > > If C is in AP mode, resolving C from A and B also works. > > This leads me to believe there's something wrong with rtw88 when > sending multicast packets in AP mode. Have you captured air packets sent by C (AP mode)? (To check if TX properly.) Have you tried non-secure connection? (To check if encryption properly.) I think this can help to address problem.
