Date: Mon, 24 Nov 2003 11:22:27 -0800 From: Sam Leffler <sam@errno.com> To: Barney Wolff <barney@databus.com>, Johann Hugo <jhugo@icomtek.csir.co.za> Cc: current@freebsd.org Subject: Re: atheros (ath) - duplicate packets with long distance link Message-ID: <200311241122.27490.sam@errno.com> In-Reply-To: <20031124170728.GA36748@pit.databus.com> References: <bk7c8o$rdo$1@sea.gmane.org> <200311241555.13381.jhugo@icomtek.csir.co.za> <20031124170728.GA36748@pit.databus.com>
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On Monday 24 November 2003 09:07 am, Barney Wolff wrote: > Off-the-wall suggestion: run tcpdump -e and check whether both responses > are coming from the same host. Unless you're running WEP, you many have > an unexpected guest. (WEP is no guarantee, but it's better than nothing.) Better, use tcpdump -e -i ath0 -y IEEE802_11 and verify the 802.11 frames are actual duplicates. They should not be unless there's a bug in the duplicate suppression logic in the 802.11 code. Sam
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