Harping on ARP

Harping on ARP

Posted Aug 21, 2003 11:41 UTC (Thu) by RobDavies (guest, #9930)
Parent article: Harping on ARP

The current behaviour can be exploited so that multi-homed hosts can have
the far side addressed directly using the near interface, without going
through a router and through the far-side network. Clients set up without
netmasks, and proxy arp enabled on router.

Until advent of switching hubs, 2 interfaces on one network could not make
any sense, it would fail under SunOS4 & Solaris2 for example.

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