Messages in this thread | | | Date | Wed, 8 Oct 2003 15:13:20 +0200 | From | ookhoi@humilis ... | Subject | why does netfilter make upload very slow? (was: Re: e1000 -> 82540EM on linux 2.6.0-test[45] very slow in one direction) |
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Ookhoi wrote (ao): # Ookhoi wrote (ao): # > Florian Zwoch wrote (ao): # > > issue seems to partly solved. the e1000 driver seems to be ok! # > > i reconfigured my kernel and intentionally left out netfilter options. # > > after that my network performance was back to normal. # > > # > > netfilter was only compiled in the kernel. it was not used with any rules! # > > # > > so my wild guess would be that something with the netfilter code (i am # > > not 100% sure it was netfilter.. _maybe_ it was some small odd kernel # > > option i accidently enabled/disabled) is broken since test3 (again # > > uncertified. but i firstly noticed this switching from test3 to test4). # # > I have netfilter enabled, and will try another -test6 kernel with # > netfilter not compiled in to see if that indeed makes a difference. # # I can confirm now that disabling netfilter in 2.6.0-test6 makes the nic # perform oke wrt upload. # I (just like Florian) had no iptables rules active in the former # 2.6.0-test6 kernel, but netfilter was compiled in.
Would somebody like to explain why netfilter (in kernel, but not in use) makes upload go very slow? I am by no means a network guru, but eager to learn :-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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