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Multicast is being sent towards the BIG-IP, but a capture on the BIG-IP does not show multicast packets arriving.
Tmm does not see multicast packets. If the BIG-IP us using IPv6, this will cause IPv6 neighbor discovery to fail for addresses on the BIG-IP. It can also impact other multicast based traffic.
BIG-IP running on Hyper-V using the dpdk driver: The interface is using the xnet driver: # tmctl -d blade tmm/device_probed pci_bdf pseudo_name type available_drivers driver_in_use ------------ ----------- --------- ----------------- ------------- 0000:00:e1.0 1.1 F5DEV_PCI xnet, sock, xnet And the xnet driver is using the dpdk driver: # tmctl -d blade tmm/xnet/device_probed id available_drivers driver_selected driver_in_use ------ ----------------- --------------- ------------- {UUID} sock, dpdk, dpdk Yes
Switch to the sock driver: https://my.f5.com/manage/s/article/K000153024
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