Hi Jay, On Sat, Feb 08, 2025 at 06:34:21AM +0000, Hangbin Liu wrote: > Please hold on this patch. Our QE reported that with bare NIC, the > backup NIC can't receive the NS messages even after joining the multicast > MAC group. But after remove the backup NIC from bond, the NIC interface > could receive the NS message. > > This is weird, it looks the backup NIC dropped the NS message somewhere, > even using tcpdump (the NIC will be in promisc mode) I can't capture the > NS message on backup slave. > > I need to debug more.
After debug, I find it's a driver issue. The issue exists with ice dirver NIC. I tried with a mlx5 NIC and the patch works good for me. So I think you can start review this patch when you have time. I will debug the ice driver later. Thanks Hangbin
