Intel 82574L interface wedging - em7.3.2/8.2-STABLE
chinaitvc at gmail.com
Fri Apr 13 06:40:12 UTC 2012
Just for guys who may arrive here after searching:
1.there's kernel bug in intel 82574L e1000e driver on centos 6(MSI/MSI-X
interrupts issue), we can resolve this by install kmod-e1000e package from
ELrepo.org and later add pcie_aspm=off e1000e.IntMode=1,1
e1000e.InterruptThrottleRate=10000,10000 acpi=off to kernel parameters. You
can read more info
e1000e driver bug on 82574L Ethernet controller causing network
2.For the high Tx traffic, this was caused by port 53 dns flooding attack.
I've resolved this by writing some iptable rules. More info here:
53 dns flooding attack[/URL]
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