The dpdk nic bind script seems to see them correctly but when running testpmd with those ports, they always come with link status down.
>From the dpdk_nic_bind script (snip): Network devices using DPDK-compatible driver ============================================ 0000:03:00.0 'Ethernet Connection X552/X557-AT 10GBASE-T' drv=igb_uio unused= 0000:03:00.1 'Ethernet Connection X552/X557-AT 10GBASE-T' drv=igb_uio unused= After I load the igb_uio module and do the bind, I notice this in dmesg: [82021.124497] igb_uio: Use MSIX interrupt by default [82024.368227] ACPI Warning: \_SB_.PCI0.BR2C._PRT: Return Package has no elements (empty) (20150410/nsprepkg-126) [82024.378940] igb_uio 0000:03:00.0: uio device registered with irq 36 [82024.384316] ACPI Warning: \_SB_.PCI0.BR2C._PRT: Return Package has no elements (empty) (20150410/nsprepkg-126) I am starting testpmd with this command line: ./testpmd -c 0x7 -n 4 -- -i I have enabled all the ixgbe debugging messages and I have noticed this messages when testpmd starts: PMD: ixgbe_device_supports_autoneg_fc(): Device 15ad does not support flow control autoneg DPDK tree at master (as of November, 11th, 2015) : http://dpdk.org/browse/dpdk/tree/?id=a4aca79ba4d866627383efa5967a4540a67ccffa