[DPDK/testpmd Bug 1824] when setting promisc mode to off no packets arrive to testpmd

[bugzilla at dpdk.org]

http://bugs.dpdk.org/show_bug.cgi?id=1824

            Bug ID: 1824
           Summary: when setting promisc mode to off no packets arrive to
                    testpmd
           Product: DPDK
           Version: 25.07
          Hardware: x86
                OS: Windows
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: testpmd
          Assignee: dev at dpdk.org
          Reporter: pdamouny at nvidia.com
  Target Milestone: ---

Hi

using testpmd on TX side
dpdk-testpmd.exe -- --burst=64 --mbcache=512 -i --nb-cores=4 --txd=1024
--rxd=1024 --forward-mode=mac --txq=2 --rxq=2 --auto-start --port-topology=loop
--disable-rss

when i send 100 packet from RX side, and do show port stats 0 on TX side
i see 100 packets received, 

if i set promisc 0 off on testpmd, packets are not received 

last working time upstream-2025-09-14
git checkout upstream-2025-09-14

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