From: Oskar Berggren <oskar.berggren@gmail.com>
To: netdev@vger.kernel.org
Subject: arp_solicit and source ip selection
Date: Mon, 11 Apr 2011 21:33:46 +0200 [thread overview]
Message-ID: <BANLkTikUGK1U1ow5oC0bwdRaq_r3ksT+4w@mail.gmail.com> (raw)
Hi,
arp_solicit() tries to use the source IP-address of the IP-packet that
caused an ARP resolution to be necessary, when sending an ARP request.
If the IP-packet is not generated locally, that its source IP cannot
be reused in the ARP packet, and instead inet_select_addr() is called
for the relevant network interface.
Any reason why arp_solicit() could not, or should not, use the routing
subsystem to determine source IP address for the ARP request? That
would enable it to take account of any "src" directives specified in
the routing tables.
/Oskar
reply other threads:[~2011-04-11 19:34 UTC|newest]
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