jdike at karaya.com
Mon Nov 5 16:29:43 EST 2001
raven at oneeyedcrow.net said:
> No -- the router or whatever device will update the arp cache from the
> source of packets that it recieves. So if it gets a packet from
> 10.1.1.17 with a source MAC address of 0A:32:B4:whatever, it will
> automatically enter that into its arp cache. So any machine that's
> sending packets (which would be most networked machines) should have
> an updated entry in the arp cache.
Hmmm, that sounds slightly bad to me. I could imagine a little-used server
in a closet falling out of the router's arp cache. Then someone on the wrong
side of the router would find it impossible to contact that machine...
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