Re: [PATCH] iptables: new strict host model match

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On Mon, 2 Mar 2009 14:42:33 +0100 (CET)
Jesper Dangaard Brouer <hawk@xxxxxxx> wrote:

> On Thu, 26 Feb 2009, Stephen Hemminger wrote:
> 
> > This is a simple little iptables match that can be used to create the Strong
> > End System model, that router and other non-Linux customers expect. There
> > are management and other applications that use ping and expect to only get
> > a response when the interface with that address is up. Normally, a Linux
> > system will respond to a packet that arrives for any of the system addresses
> > independent of which link it arrives on.
> 
> Is this no almost the same as:
> 
>   echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
> 
>

That doesn't work when system already has an ARP entry and link goes down.
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