Re: Query regarding ARP request on a multi-homed system

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On Thu, Jun 26, 2014 at 12:16 PM, ankur dwivedi <ankurengg2003@xxxxxxxxx> wrote:
> In my guess the eth0 interface will not do anything and drop the packet.

I happen to be the admin of a few server also and one of them is
having multiple lan card. In that , one card is configured as
192.168.1.1 (eth1) and the another 192.168.2.1 (eth2) and the other
(eth0) for global ip address .
Now , i just tried this - from 192.168.1.1 network (from the lan of
eth1)  , i tried to ping 192.168.2.1 and I received the reply . So the
interface is not dropping the packet .

>
> On Thu, Jun 26, 2014 at 11:43 AM, Chaitra Ramaiah <linux.delve@xxxxxxxxx> wrote:
>> Hi,
>>
>>   Have a doubt regarding ARP behavior in case of a multi-homed linux box.
>>
>>   Assume there are two interfaces eth0 and eth1 each configured with
>> IPs belonging to differrent
>>   subnets. Say IP1 is assigned to eth0 and IP2 to eth1. Now if an ARP
>> request comes on eth0
>>   for IP2, what is the behavior on Linux?
>>
>>   Thanks in advance for your answers.
>>
>> Thanks,
>> Chaitra
>>
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>
>
>
> --
> Thanks
>
> Ankur Dwivedi
>
> You can follow me on twitter @ankurdwi
>
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