[dpdk-users] UDP bad checksum errors

Anupama Laxmi anupamalaxmi4 at gmail.com
Mon Sep 24 18:58:50 CEST 2018


UDP checksum is set  to 0  and Hardware offloading is disabled to prevent
the UDP checksum errors.

Is this the only way out?Is there  Hardware virtualization limitation with
respect to UDP checksum computation?Please suggest how to resolve UDP bad
checksum errors with Hardware offloading set ?



On Mon, Sep 24, 2018 at 10:18 PM Anupama Laxmi <anupamalaxmi4 at gmail.com>
wrote:

> Hi,
>
> UDP checksum cannot be computed by Hardware virtualization( Intel 82599
> SRIOV PCI passthrough, DPDK V1.7 ).UDP bad checksum errors are observed in
> the tcpdump(pcap) collected after host on the Service router when the UDP
> checksum computation is Hardware offloaded.
>
> Thanks,
>
>
>


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