Hi Damjan Did not try with native iavf driver, will check and let you know.
Thanks for the realsponse. *Thanks & Regards,B.Nousilal,* On Fri, 14 Nov 2025 at 6:49 PM, Damjan Marion via lists.fd.io <dmarion= [email protected]> wrote: > > Have you tried native iavf driver instead of using DPDK? > > — > Damjan > > > On 11.11.2025., at 15:21, nousi via lists.fd.io <bnousilal= > [email protected]> wrote: > > Hi everyone, > > I’m seeing a packet length issue after upgrading to *VPP 25.02* on *ARM64 > (Ampere® Altra® Q64-30 @ 3.0GHz)* with an *Intel E810-C (4x ports)* NIC > using the *IAVF driver*. > > All packets received in the *dpdk-input node* show a *length of 65535 > bytes*, which is clearly incorrect. This is visible in both *trace* and > *pcap* captures. > > Here’s what I’ve observed so far: > > - > > The issue only appears with *VPP 25.02* on *ARM64*. > - > > The *same platform (hardware + NIC)* works perfectly with * VPP 22.02* > — packet lengths are reported correctly. > - > > On *X86 *systems, *VPP 25.02* also works fine (no packet length issue). > - > > So it seems specific to *VPP 25.02 + ARM64 + IAVF driver* combination. > > *Setup details:* > > - > > *CPU:* Ampere® Altra® Q64-30 (ARM64) > - > > *NIC:* Intel E810-C (4 ports) > - > > *Driver:* IAVF (DPDK) > - > > *VPP version:* 25.02 > - > > *Symptom:* All packets show length = 65535 in dpdk-input node > > Has anyone else seen this behavior or is aware of any related changes in * > VPP 25.02* or the *IAVF/DPDK layer* for ARM64? > Would appreciate any pointers, patches, or debug hints — especially if > someone has tested E810/IAVF on ARM with newer VPP versions. > > Thanks a lot in advance! > *Nousi.* > > > > > > > >
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