Installation guide

# echo "options igb max_vfs=7" >>/etc/modprobe.d/igb.conf
6. In sp ect t h e n ew Virt u al Fu n ct io n s
Using the l spci command, list the newly added Virtual Functions attached to the Intel 82576
network device. (Alternatively, use g rep to search for Vi rtual Functi o n, to search for
devices that support Virtual Functions.)
# lspci | grep 82576
0b:00.0 Ethernet controller: Intel Corporation 82576 Gigabit
Network Connection (rev 01)
0b:00.1 Ethernet controller: Intel Corporation 82576 Gigabit
Network Connection(rev 01)
0b:10.0 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.1 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.2 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.3 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.4 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.5 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.6 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:10.7 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.0 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.1 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.2 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.3 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.4 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
0b:11.5 Ethernet controller: Intel Corporation 82576 Virtual
Function (rev 01)
The identifier for the PCI device is found with the -n parameter of the l spci command. The
Physical Functions correspond to 0 b: 0 0 . 0 and 0 b: 0 0 .1. All Virtual Functions have
Vi rtual Functi o n in the description.
7. Verif y d evices exist wit h virsh
The li bvi rt service must recognize the device before adding a device to a virtual machine.
l i bvi rt uses a similar notation to the l spci output. All punctuation characters, ; and . , in
l spci output are changed to underscores (_).
Red Hat Ent erp rise Linux 6 Virt ualiz at ion Host Configurat ion and G uest Inst allat ion G uide
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