On Mon, 21 Jun 2004 08:56:32 +0800 (CST) adrian kok <[EMAIL PROTECTED]> wrote:
> Hi all > > Do you know why the command "ping" in unix and window > is different? > Not if and how they are different. Perhaps someone else can help out here... > I start from one ISP to ping other ISP > > 1/ If the following result from window, it is good or > not? > lost = 7 within 3 thousand packets > In your results, you'll notice that you lost 7 packets out of over 3500, which translates to a loss of 0%. In internetworking, it is generally normal for the odd packet to get lost along the way (for a variety of reasons). Simply analysing the loss rate is not enough to know if your connection is behaving as it should (1), nor does it help to pinpoint where a problem may be (2). (1) Unless you know the expected latency of the path you're testing, you're not going to get very far. You'll have to read up (books/google) on networking latencies in order to get a better handle on this. (2) Unless you're pinging each hop along the way to your final destination or using traceroute, you're never going to understand where a perceived problem lies. Again, networking books and google are your friends here. HTH, epi > 2/ how do I kow the average ms is good or not? > > 3/ Which one (unix or window) is best for testing? > > Thank you very much for your advice > > Reply from 18.104.22.168: bytes=32 time=99ms TTL=57 > Reply from 22.214.171.124: bytes=32 time=109ms TTL=57 > Reply from 126.96.36.199: bytes=32 time=100ms TTL=57 > Reply from 188.8.131.52: bytes=32 time=95ms TTL=57 > > Ping statistics for 184.108.40.206: > Packets: Sent = 3534, Received = 3527, Lost = 7 > (0% loss), ^^^^^^^ > Approximate round trip times in milli-seconds: > Minimum = 89ms, Maximum = 640ms, Average = 102ms > Control-C > > > - > > > > _______________________________________________________________________ > Do You Yahoo!? > Get your free @yahoo.com.hk address at http://mail.english.yahoo.com.hk > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "[EMAIL PROTECTED]" > _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"