Date: Fri, 24 Jun 2005 01:43:05 +0200 From: Ulf Magnusson <ulfma629@student.liu.se> To: freebsd-questions@freebsd.org Subject: NAT router confusion Message-ID: <5591e955475b.55475b5591e9@liu.se>
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I connect to the Internet through a NAT router serving two hosts, both with addresses on the same local network (192.168.0\24). How does this work? Can hosts connected to different router interfaces really be on the same network (provided the router is in the only path between the two systems)? What about broadcast messages on the network, aren't those blocked by routers? Does the router make an exception when it sees that the broadcast is for a network it is connected to through multiple interfaces (I noticed that only UDP packets sent to the network broadcast address, 192.168.0.255, propagate to all hosts, while packets sent to 255.255.255.255 don't)? Is this router really some switch/router hybrid? Or..? Bleh, someone please sort this out for me. I realize this isn't strictly FreeBSD-related, but I simply couldn't think of a better place to pick brains, so I hope I'll be excused :) Ulf
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