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Date: Mon, 20 Oct 2008 22:13:12 -0700 (PDT) From: David Miller <davem@...emloft.net> To: vladislav.yasevich@...com Cc: netdev@...r.kernel.org Subject: Re: on-link assumption in ipv4 routing cache From: Vlad Yasevich <vladislav.yasevich@...com> Date: Mon, 20 Oct 2008 21:02:44 -0400 > This was somewhat of a surprise since I expected a EHOSTUNRACH error since > there were no routes to the destination and SO_DONTROUTE was not set. > > I am really curious as to reason for this behavior? In general the Linux ipv4 stack tries to do things that make it more likely for successful communication between two nodes. This is one such example, another is the choice of using the host based addressing model rather than the interface based addressing model. Alexey Kuznetsov is responsible for most of these decisions, he is a genius. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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