have a look here: http://banyan.dlut.edu.cn/news/122499/4.html
Markus
>-----Original Message-----
>From: ilug-admin at linux.ie [mailto:ilug-admin at linux.ie]On Behalf Of John
>P. Looney (Kate)
>Sent: Friday, May 26, 2000 3:59 PM
>To: Irish LUG list
>Subject: [ILUG] wierd network error
>>> ArsTechica mentioned a cool network reliability/bandwidth tool, called
>Sting. I decided to try it out. Alas, on running it, it says:
>>xena [0] sting www.cnn.com
>Warning: setsockopt(PACKET_RX_RING): Protocol not available
>Kernel filter, protocol ALL, raw packet socket
>Connection setup took 147 ms
>src = 192.168.1.19:10846 (635272964)
>dst = 207.25.71.29:80 (3593914608)
>> What's PACKET_RX_RING ?
>>Kate
>>--
>"The fool must be beaten with a stick, for an intelligent person
>the merest hint is sufficient" -- Zen Master Greg
>>--
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