From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-2?Q?G=E1sp=E1r_Lajos?= Subject: Re: Packets lost Date: Wed, 16 May 2007 16:48:09 +0200 Message-ID: <464B19A9.700@freemail.hu> References: <3388.10.107.26.27.1179320821.squirrel@gpo.iitb.ac.in> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <3388.10.107.26.27.1179320821.squirrel@gpo.iitb.ac.in> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Vasantha Kumar Puttappa Cc: netfilter@lists.netfilter.org Vasantha Kumar Puttappa =EDrta: > Hi All, > Please somebody guide me here. > > I am tracking all udp packets (in particular, SIP based UDP packets)tha= t > goes through iptables using LOG mechanism. > I use the following command, > iptables -A INPUT -p udp -j LOG --log-level-4. > =20 Maybe you also need the following rule: iptables -A FORWARD -p udp -j LOG --log-level-4 > In addition, i also run 'Ethereal' to make sure that all the packets > captured goes through iptables as well. > =20 Ethereal sees the packets BEFORE iptables. So maybe some of your rules drops the packet. > Here is the problem, > Sometimes, a random number of packets doesnot go through IPtables and= > they are completely lost. Although, I can see those packets in Ethereal= =2E > > I tried increasing the backlog queue and ip_queue length, but still no= use. > I am using Netgear's wireless network card (WG511, made in taiwan). > > > Somebody please guide me. How do I findout the cause of this. > > Regards > Vasanth > =20 Swifty