Re: Monitor mode warning - arptype 801 not supported by libpcap - falling back to cooked socket

From: Jouni Malinen (jkmaline_at_cc.hut.fi)
Date: 2002-08-24 16:06:23 UTC

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On Fri, Aug 23, 2002 at 05:40:18PM -0700, Jun Sun wrote:

> I saw this warning when I start ethereal. Is this benign? Or
> does it mean I have an outdated libpcap?
>
> Warning: arptype 801 not supported by libpcap - falling back to cooked socket

Yes, your libpcap is not current enough to recognize the used arptype (802.11 headers). I don't remember what it does in that case with the 'cooked socked', but it might just pass everything to Ethereal which can then handle parsing. Anyway, updating libpcap will remove that warning.

-- 
Jouni Malinen                                            PGP id EFC895FA

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