From owner-freebsd-current@FreeBSD.ORG Mon Nov 24 12:06:09 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4DEC716A4CE for ; Mon, 24 Nov 2003 12:06:09 -0800 (PST) Received: from marge.icomtek.csir.co.za (marge.icomtek.csir.co.za [146.64.28.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 73EF243FD7 for ; Mon, 24 Nov 2003 12:06:06 -0800 (PST) (envelope-from jhugo@icomtek.csir.co.za) Received: from jeep.icomtek.csir.co.za (jeep.icomtek.csir.co.za [146.64.28.29])hAOK5p2v014459; Mon, 24 Nov 2003 22:05:51 +0200 (SAST) (envelope-from jhugo@icomtek.csir.co.za) Content-Type: text/plain; charset="iso-8859-1" From: Johann Hugo To: Sam Leffler , Barney Wolff Date: Mon, 24 Nov 2003 22:05:51 +0200 X-Mailer: KMail [version 1.4] References: <20031124170728.GA36748@pit.databus.com> <200311241122.27490.sam@errno.com> In-Reply-To: <200311241122.27490.sam@errno.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <200311242205.51664.jhugo@icomtek.csir.co.za> cc: current@freebsd.org Subject: Re: atheros (ath) - duplicate packets with long distance link X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Nov 2003 20:06:09 -0000 On Monday 24 November 2003 21:22, Sam Leffler wrote: > 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. The packets are definately from the same host. Will it help if I recompile with AR_DEBUG turned on ? PING 192.168.10.10 (192.168.10.10): 56 data bytes 64 bytes from 192.168.10.10: icmp_seq=0 ttl=64 time=4.373 ms 64 bytes from 192.168.10.10: icmp_seq=0 ttl=64 time=74.278 ms (DUP!) 64 bytes from 192.168.10.10: icmp_seq=1 ttl=64 time=2.646 ms 64 bytes from 192.168.10.10: icmp_seq=1 ttl=64 time=83.930 ms (DUP!) 64 bytes from 192.168.10.10: icmp_seq=2 ttl=64 time=2.631 ms 64 bytes from 192.168.10.10: icmp_seq=3 ttl=64 time=4.127 ms atheros# tcpdump -e -i ath0 -y IEEE802_11 proto ICMP tcpdump: data link type DLT_IEEE802_11 tcpdump: listening on ath0 00:04:57.452451 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:f0:4 DA:0:5:5d:95:ef:2c 192.1 68.10.20 > 192.168.10.10: icmp: echo request 00:04:57.455152 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.457598 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.461559 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.467485 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.478495 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.483984 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.490683 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.509604 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.531031 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.546951 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:57.557694 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.469354 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:f0:4 DA:0:5:5d:95:ef:2c 192.1 68.10.20 > 192.168.10.10: icmp: echo request 00:04:58.473004 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.476335 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.488546 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.508876 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.521360 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.528470 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.537460 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.547434 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:58.551423 DA:0:5:5d:95:f0:4 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:ef:2c 192.1 68.10.10 > 192.168.10.20: icmp: echo reply 00:04:59.479303 BSSID:0:5:5d:95:ef:2c SA:0:5:5d:95:f0:4 DA:0:5:5d:95:ef:2c 192.1 68.10.20 > 192.168.10.10: icmp: echo request Johann