Re: ARP shows client is given wrong MAC Address for system with 2 NICs

From: Ben Greear (greearb@candelatech.com)
Date: Thu Dec 06 2001 - 00:10:01 EST

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Have you tried turning on arp-filtering? It generally
acts more sane in a 2+ NIC machine. Try:

echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter

Q A wrote:

>
> Thanks, but I am not moving the IP from one to the
> other. I am just saying it doesn't matter _(A) does
> not have to be eth0. Try setting up a system with 2
> NICs and follow my notes. I have checked another
> system with a normal 2.4.3 kernel.
>
> Thanks for yours and everyone elses help.
>
> Q
>
>
> --- "Richard B. Johnson" <root@chaos.analogic.com>
> wrote:
>
>>[SNIPPED...]
>>There is an ARP cache, always has been, always will
>>be. This is so
>>an ARP (Address Resolution Protocol) probe doesn't
>>have to occur for
>>every data transmission. It is presumed that an IP
>>address, including
>>your own, won't jump around from device-to-device.
>>
>>You are moving your IP address to another device
>>(MAC address). What
>>do you expect?
>>
>>You can delete the old entries from your ARP cache,
>>but it has to
>>be done for every system that would be affected or
>>you can just wait
>>for the ARP cache entry to expire.
>>
>> /sbin/arp -d ipaddress
>>
>>
>>Cheers,
>>Dick Johnson
>>
>>Penguin : Linux version 2.4.1 on an i686 machine
>>(799.53 BogoMips).
>>
>> I was going to compile a list of innovations
>>that could be
>> attributed to Microsoft. Once I realized that
>>Ctrl-Alt-Del
>> was handled in the BIOS, I found that there
>>aren't any.
>>
>>
>>
>
>
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-- Ben Greear <greearb@candelatech.com> <Ben_Greear AT excite.com> President of Candela Technologies Inc http://www.candelatech.com ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear

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Next message: Kurt Garloff: "IDE DMA on AXP & barriers"
Previous message: Robert Love: "Re: [PATCH] simple ide without proc compile fix"
In reply to: Q A: "Re: ARP shows client is given wrong MAC Address for system with 2 NICs"
Next in thread: Bernd Eckenfels: "Re: ARP shows client is given wrong MAC Address for system with 2 NICs"
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