From owner-freebsd-questions@FreeBSD.ORG Fri Jul 25 11:14:27 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 128D337B401 for ; Fri, 25 Jul 2003 11:14:27 -0700 (PDT) Received: from aviti.net (aviti.net [217.144.68.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id DEF7543F85 for ; Fri, 25 Jul 2003 11:14:25 -0700 (PDT) (envelope-from life@zone3000.net) Received: from zone3000.kharkov.ua ([217.144.68.98] helo=adserver.zone3000.net) by aviti.net with esmtp (Exim 4.14) id 19g75B-0002fY-I6 for freebsd-questions@freebsd.org; Fri, 25 Jul 2003 21:14:21 +0300 Received: from narik ([10.1.1.36]) by adserver.zone3000.net with Microsoft SMTPSVC(5.0.2195.5329); Fri, 25 Jul 2003 21:20:07 +0300 Message-ID: <022401c352d9$60a82900$2401010a@zone3000.net> From: "Vitali Malicky" To: References: <3F216184.5080007@telcom.net> Date: Fri, 25 Jul 2003 21:20:07 +0300 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-OriginalArrivalTime: 25 Jul 2003 18:20:07.0953 (UTC) FILETIME=[60A85010:01C352D9] X-Scanner: exiscan for exim4 (http://duncanthrax.net/exiscan/) *19g75B-0002fY-I6*/RX2jcORZ5.* Subject: Re: udp packets dropping X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Vitali Malicky List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jul 2003 18:14:27 -0000 > Hello, Hi. try to assign sysctl vars like mine... net.local.dgram.maxdgram=4096 net.local.dgram.recvspace=8192 net.inet.udp.maxdgram=9216 net.inet.udp.recvspace=41600 net.inet.raw.maxdgram=32767 net.inet.raw.recvspace=16384 net.inet.udp.log_in_vain=1 check if you netcard works in full duplex (though i think is's a stupid remark of mine... ;)), try to rebuild the kernel and add extra network buffering. with extra buffering it all might work much better. sorry if I was of no help... -- Error Code=-1 Continue? Yes | No -- > > I have a DNS server with a lot of traffic. After just a couple of > minutes of resetting the netstat -s counters, I get the following output: > > 130670 datagrams received > 0 with incomplete header > 0 with bad data length field > 1 with bad checksum > 30 with no checksum > 0 dropped due to no socket > 12 broadcast/multicast datagrams dropped due to no socket > 4226 dropped due to full socket buffers > 0 not for hashed pcb > 126431 delivered > 136753 datagrams output > > As time goes by, the "dropped due to full socket buffers" number goes up. > > I have increased the sysctl variable net.inet.udp.recvspace to 100000, I don't think I might solve the problem... > up from about 40000. This did not make any difference, the number goes > up with time. > > The server is running FreeBSD 4.6 RELEASE with Bind 9.2.2. > > I went through the newsgroups and did not find any solutions to this > problem. > > Any help will be greatly appreciated. > > Arie Kachler > SysAdmin/Telcom.Net > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"