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IX(4) Device Drivers Manual IX(4)

ixIntel 82598/82599/X540/X550 PCI Express 10Gb Ethernet device

ix* at pci?

The ix driver provides support for PCI Express 10Gb Ethernet adapters based on the Intel 82598EB, 82599EB, X540 and X550 Ethernet controller chips, including the following:

Please note that the networking interface should be brought down before disconnecting fiber optics, otherwise irreversible damage might be caused to the equipment.

arp(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)

The ix driver first appeared in OpenBSD 4.4.

The ix driver was written by Intel Corporation and ported to OpenBSD by Reyk Floeter <>. Claudio Jeker <> and Mike Belopuhov <> have performed multiple updates since.

December 7, 2016 OpenBSD-6.4