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Date: Sat, 7 Jul 2012 12:55:01 +0800 From: Lin Ming <mlin@...pku.edu.cn> To: Ben Greear <greearb@...delatech.com> Cc: netdev@...r.kernel.org, Eric Dumazet <eric.dumazet@...il.com> Subject: Re: Question: eth0 and wlan0 traffic load On Sat, Jul 7, 2012 at 12:16 PM, Ben Greear <greearb@...delatech.com> wrote: > On 07/06/2012 08:28 PM, Lin Ming wrote: >> >> On Host1 >> eth0: 192.168.1.102 >> wlan0: 192.168.1.103 >> >> On Host2, scp a file to Host1 via wlan0 >> # scp tmp.file 192.168.1.103:/tmp >> >> But ifstat shows all traffic goes to eth0. >> Why does kernel choose eth0 although I use wlan0's address? >> Is this an intended behavior? > > > You have to be clever with routing rules, arp-filtering, and such > to ensure that works as you want. Ah, right. The arp cache on Host2 for .102 and .103 points to Host1's eth0. Host2 # arp -a chief-river-32.local (192.168.1.102) at 00:1c:c4:a4:33:9e [ether] on eth0 chief-river-32.local (192.168.1.103) at 00:1c:c4:a4:33:9e [ether] on eth0 Thanks, Lin Ming -- 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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