From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Buehler Subject: DSCP values in TCP handshake Date: Mon, 18 Apr 2011 13:48:53 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from lo.gmane.org ([80.91.229.12]:56658 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752995Ab1DRNtM (ORCPT ); Mon, 18 Apr 2011 09:49:12 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QBopD-0000ez-Fj for netdev@vger.kernel.org; Mon, 18 Apr 2011 15:49:11 +0200 Received: from netrokpix001.spirentcom.com ([96.241.21.98]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 18 Apr 2011 15:49:11 +0200 Received: from aspam by netrokpix001.spirentcom.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 18 Apr 2011 15:49:11 +0200 Sender: netdev-owner@vger.kernel.org List-ID: What does the LINUX network code put in the DSCP field of TCP SYN-ACK packets that are replies to a SYN connection request? I have a customer sending SYN with 0x2e in the DSCP field but apparently getting DSCP 0x0 in the reply. Joe Buehler