From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: packetloss, on e1000e worse than r8169?
Date: Mon, 16 Jun 2008 23:05:09 +0200
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Cc: "Kok, Auke" <auke-jan.h.kok@intel.com>, netdev@vger.kernel.org,
	linux.nics@intel.com
To: Denys Fedoryshchenko <denys@visp.net.lb>
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Denys Fedoryshchenko a e'crit :
> [    0.241017] IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
> [    6.337111] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)

Are you sure nf_conntrack or ip route cache is not killing you ?

Filling 512 or 1024 RX ring on Gigabit link can be very fast, especially 
if ip route cache is full.

rtstat -c10 -i1