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From: bugzilla@dpdk.org
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Subject: [DPDK/core Bug 2048] Broadcom BCM57608 Ethernet 100Gb 2-port QSFP112
 Adapter - SRIOV on VM Perf Degrade in 26.07 for large packets(1280
 and 1518 byte).  - 85% instead of 100% line rate
Date: Tue, 29 Sep 2026 08:37:34 +0000
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https://bugs.dpdk.org/show_bug.cgi?id=3D2048

            Bug ID: 2048
           Summary: Broadcom BCM57608 Ethernet 100Gb 2-port QSFP112
                    Adapter - SRIOV on VM Perf Degrade in 26.07 for large
                    packets(1280 and 1518 byte).  - 85% instead of 100%
                    line rate
           Product: DPDK
           Version: 26.07
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev@dpdk.org
          Reporter: sandeepr@hpe.com
  Target Milestone: ---

Created attachment 403
  --> https://bugs.dpdk.org/attachment.cgi?id=3D403&action=3Dedit
26.07_large_pkt_test_data.jpg

While validating https://bugs.dpdk.org/show_bug.cgi?id=3D1931, observed a n=
ew
issue in 26.07, where 1280b and 1518b frames performance has degraded.

Filing a new bug for the same.

Test setup [hardware and software], steps to reproduce, is the same as
used/mentioned in 1931.

Test data attached: 26.07_large_pkt_test_data.jpg

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