Date: Mon, 19 Sep 2005 00:45:31 +0900 (JST) From: Motonori Shindo <mshindo@mshindo.net> To: freebsd-net@freebsd.org Subject: ARP behavior in FreeBSD vs Linux Message-ID: <20050919.004531.92589257.mshindo@mshindo.net>
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On FreeBSD (and I guess most Operating Systems as well), ARP reply is sent back only when the target IP address in ARP request matches with one of the IP addresses assigned to the interface through which the ARP Request is received. In contrast, on Linux (by default), it responds as long as the target IP address in ARP Request matches with any "local" IP address on the system, which is not necessarily an IP address assigned to the interface through which the ARP request is received. Is there any advantage/disadvantage in ARP implementation on FreeBSD over that of Linux? Thanks. Regards, Motonori Shindo
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