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RE: Ping [7:61366] posted 01/20/2003
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I don't think it's an error.  The first packet is probably lost while the
router or switch is performing an arp request.  That takes a second or two
to come back, then the pings are successful.  If you ping again (immediately
after the first time when you loose one packet) you shouldn't see any
dropped packets, unless there's another problem.  That's because the router
or switch is holding that arp entry.  Wait a while and try again and you'll
loose the first packet again, because the arp entry has aged out.

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