IPv6 traffic is dropped on DNS VM due to NIC offloads (DPDK)

Solution Verified - Updated -


We experienced issue of IPv6 transactions dropped by DNS VM. Our OEM partner F5 confirms that its most likely due to virtio interfaces having parameters TSO, LRO, GRO, GSO as enabled. And they recommend all form of off-loading should be disabled.


Red Hat OpenStack Platform 10
OVS v2.6

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