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Message-ID: <alpine.LFD.2.00.1111122028420.2562@ja.ssi.bg> Date: Sat, 12 Nov 2011 20:31:13 +0200 (EET) From: Julian Anastasov <ja@....bg> To: Roland Kletzing <devzero@....de> cc: netdev@...r.kernel.org Subject: Re: send/receive data via eth0/1 external loop ? Hello, On Sat, 12 Nov 2011, Roland Kletzing wrote: > Hello, > i`m searching for a while now, but i did not find a solution, so forgive when > i`m (as a user) asking for expert help here. > > I want to do some network stress/burn-in and quality/reliability testing, > i.e. i want to send/receive large amounts of data trough the systems network > interfaces without the need of hogging the net or other systems. > > so, that test should run "loopback", i.e. connecting eth0+1 via crossover cable > or via locally attached switch. I don`t want to use a second system for that. > > testing at ip/tcp level would be favourable , but raw eth level would be also fine. > > But how ? > What appears simple on a first view, seems to be difficult.... :( > > All i came across is this report: > http://www.zyztematik.com/?p=10 > and this description of a patch: > http://www.ssi.bg/~ja/send-to-self.txt > > Does somebody know a proper way of achieving this without patching the > kernel ? You can use accept_local flag and rule with pref 0: http://marc.info/?l=linux-netdev&m=125983955627148&w=2 Regards -- Julian Anastasov <ja@....bg> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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