Re: Proxy ARP

[christos%astron.com@localhost (Christos Zoulas)]

In article <rmi1t80v9gl.fsf%fnord.ir.bbn.com@localhost>,
Greg Troxel  <gdt%ir.bbn.com@localhost> wrote:
>-=-=-=-=-=-
>
>
>Roy Marples <roy%marples.name@localhost> writes:
>
>>
>> So there exists two implementations in userland, one of which at least
>> is in pkgsrc.
>> Could we remove this feature from arp itself and the kernel to trim it
>> down some? Or is the need still there?
>
>How much would we save in the kernel?  This feels like only a few lines
>of code, and it would remove a feature that some still use that dates
>back to at least 4.2BSD.
>
>I think it's still necessary (Joerg's VM example is the modern analog of
>old dialup), and the basic few flags, slight behavior change seems
>pretty straighforward.
>
>Are the programs more about answering for arbitrary addresses, vs
>publishing arp for specific hosts?   Are they needed on NetBSD, for some
>other use case, or are they portable  for other systems too?  Do they
>use bpf?

I don't even understand what is the proposal for removing code in
the kernel? Don't set SIN_PROXY? It does not seem like a worthwhile goal.

christos