[nylug-talk] SOLVED - but q's about proxy arp... dhcp with multiple nics?

[jh]

Brandorr wrote:
> (Google "proxy arp" read either the WIkipedia or Cisco articles. Let
> me know if you have any further questions.). (I typed an answer, but
> gmail javascript quirkiness caused the whole message to be erased, and
> I dont feel like retyping :(

Anyone else in a pedantic mood? The articles didn't get the point across 
to me.

> 
> 
> Cheers,
> Brian
> 
> On Nov 7, 2007 12:27 AM, jh <jhlists at hirschman.net> wrote:
>> jh wrote:
>>
>> I decided to bring my Windows boxes up as static addresses. When they
>> wouldn't work - windows was complaining that their IP addresses were
>> already taken - I decided to dig deeper...
>>
>>>
>>>>    It's obviously overly coincidental that this only seems to happen to the
>>>> Windows boxes, so I'd be surprised if this were the actual problem.
>> Here's the actual problem:
>>
>> One box here is was set with the following in sysctl.conf:
>>
>> net.ipv4.conf.eth0.proxy_arp=1
>> net.ipv4.conf.eth1.proxy_arp=1
>>
>> Once this machine was downed, all dhcp hell went away.
>>
>> Can someone explain why these settings were freaking out all the windows
>> boxes on my network - such that they believed that their IP was already
>> taken?
>>
>> Thanks.
>>
>> jh
>>
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> 
> 
>