Re: Network bug in 2.2.12 (20SMP/Redhat 6.1) , not 2.0.35

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 11 Dec 1999 02:41:22 +0000 (GMT)


> ** From RH 6.1 to RH 6.1, 18% loss **
> **
>
> [root@chopin pchar-1.0]# ./pchar -v escher -R 2
> pchar to escher.linux.bogus (192.168.2.4) using UDP/IPv4
> Packet size increments by 32 to 1500
> 46 test(s) per repetition
> 2 repetition(s) per hop

Your test set is faulty. UDP is unreliable. If you want to check for real
dropped packets that won't help you as packets will be dropped from the sending
queue under load so it will depend on the traffic patterns, relative rx/tx
speed etc.

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