7 Apr
2011
7 Apr
'11
10:24 a.m.
There are more than one NIC-model with 82599EB and evidently not all work with the CentOS driver. What we're using successfully is X520-DA2:
Intel Corporation 82599EB 10-Gigabit Network Connection (rev 01)
What do you have?
http://www.intel.com/support/network/sb/cs-012904.htm
PCI id 151c = X520-T2.