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Date:      Tue, 20 Aug 2002 10:41:04 -0700
From:      Benjamin Krueger <benjamin@seattleFenix.net>
To:        adrian kok <adriankok2000@yahoo.com.hk>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: ping
Message-ID:  <20020820104104.A22995@mail.seattleFenix.net>
In-Reply-To: <20020820172716.99363.qmail@web21209.mail.yahoo.com>; from adriankok2000@yahoo.com.hk on Wed, Aug 21, 2002 at 01:27:16AM %2B0800
References:  <20020820172716.99363.qmail@web21209.mail.yahoo.com>

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* adrian kok (adriankok2000@yahoo.com.hk) [020820 10:27]:
> Hello all
> 
> do you know why I use ping command as show below
> (DUP!), what is the meaning?
> 
> router# ping 68.78.17.138
> PING 68.78.17.138 (68.78.17.138): 56 data bytes
> 64 bytes from 68.78.17.138: icmp_seq=1 ttl=244
> time=41.545 ms
> 64 bytes from 68.78.17.138: icmp_seq=1 ttl=244
> time=41.553 ms (DUP!)
> 64 bytes from 68.78.17.138: icmp_seq=2 ttl=244
> time=41.178 ms
> 64 bytes from 68.78.17.138: icmp_seq=2 ttl=244
> time=41.199 ms (DUP!)
> 
> Thank you

It means that ping recieved two unique replies from the network. Most often
that means there are two (or more) machines listening on that IP. You'll also
get this if you ping the broadcast address.

-- 
Benjamin Krueger

"Life is far too important a thing ever to talk seriously about."
- Oscar Wilde (1854 - 1900)
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