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From: "Henning P. Schmiedehausen" <hps@intermeta.de>
Newsgroups: hometree.linux.kernel
Subject: Re: 2.4.19-ac4 IRQ messup?
Date: Tue, 6 Aug 2002 16:50:33 +0000 (UTC)
Organization: INTERMETA - Gesellschaft fuer Mehrwertdienste mbH
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References: <Pine.LNX.4.44.0208052251170.21076-100000@korben.citd.de> <200208061139.35323.tmi@wikon.de> <20020806100101.GA20758@alpha.home.local> <200208061643.56773.tmi@wikon.de>
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Thomas Mierau <tmi@wikon.de> writes:

>I switched cables, checked the switch etc....
>nothing helps.
>I installed an extra PCI card which came up as eth0, making the internal ones 
>eth1 and eth2. No I started pinging with eth0, which was giving me strange 
>effects again.
>eth0 = 192.168.47.11
>eth1 = 192.168.47.12
>eth2 = 192.168.47.13
>I took a tcpdump on the receiving box. It was kind of interesting.
>There were arp packages askin who is 192.168.47.11 and answers coming back 
>with two dofferent MAC-Id's One from the eth0 and the other one from the eth2 
>which was actually configured on  IP .13
> After I shut down etho1 and 2 and ran the box with "noapic" it preforms 
>perfect with the external card.
>Either the NIC's are broken, or the driver  or whatever. I hate that !!

Are they all on the same ethernet? If yes, then

a) don't do this
b) try echo "1"> /proc/sys/net/ipv4/conf/all/arp_filter

	Regards
		Henning

-- 
Dipl.-Inf. (Univ.) Henning P. Schmiedehausen       -- Geschaeftsfuehrer
INTERMETA - Gesellschaft fuer Mehrwertdienste mbH     hps@intermeta.de

Am Schwabachgrund 22  Fon.: 09131 / 50654-0   info@intermeta.de
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