From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vn0-f52.google.com (mail-vn0-f52.google.com [209.85.216.52]) by dpdk.org (Postfix) with ESMTP id C895EC35A for ; Mon, 29 Jun 2015 17:40:14 +0200 (CEST) Received: by vnbf190 with SMTP id f190so6209048vnb.10 for ; Mon, 29 Jun 2015 08:40:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=BZRZyKlSf8MtV1QSId2Tr4u2wOwsdO9fsGLnqJB3d/0=; b=hGaAHa/EYxASMZrk9OVlBACsJiJJmz+sAIHIi+DcbX/s+z6X1EMLuOeMpE8JrkAdvR cDg9BBiGvmJNsJMV8IRam037X8ELtoVzzd3elBBqt/a+8tz599c96zlT/Qx/+qcCphqL Ikm95tqOvVyyrLVsDN/29BZNe1EYaB5oImX9xEfko6Cj8ZVUDwNxojpqpNc9vJHsBkC7 /KnOGW3OmciCLm8Pn0uByMm5uuDb/OYi6Fp3YFolzlR/rWgD4XBIW8bUxlMHZlbaMs2c deYch7B6PRfl7BvWodLUlWWu4hgY+P65q2GHwTyqKXufjBQEOsnZ6xbW8jLAT5B++bH/ FozA== X-Received: by 10.52.9.228 with SMTP id d4mr13347681vdb.57.1435592414362; Mon, 29 Jun 2015 08:40:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.31.162.83 with HTTP; Mon, 29 Jun 2015 08:39:54 -0700 (PDT) In-Reply-To: References: From: Daeyoung Kim Date: Mon, 29 Jun 2015 11:39:54 -0400 Message-ID: To: Keunhong Lee Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] Receiving packets on only one port X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jun 2015 15:40:15 -0000 OK, I see. My program uses RSS. Is it related to my problem? If the testpmd application does not work, the switch configuration might be wrong. Am I right? Thank you for your answer. Regards, Daeyoung 2015-06-29 11:28 GMT-04:00 Keunhong Lee : > Actually I have no idea why this happens. > If your switch configuration is correct, your program should work just > like Wireshark does. > I wander whether your program uses RSS. > In my opinion, program bug is the most probable reason. > > Keunhong. > > > 2015-06-29 23:32 GMT+09:00 Daeyoung Kim : > >> Hi Keunhong, >> >> Thank you for your help. Here is the network topology. >> >> DNS Client - Switch 1 - Switch 2 - Switch 3 - DNS Server >> | | >> port 0 port 1 >> >> DPDK port 0 receives packets using from the Switch 1 port mirroring and >> port 1 receives packets from the Switch 2 using port mirroring as well. As >> I already said, when I send DNS packets, the wireshark simultaneously gets >> all the packets on two ports. I'm sorry what I told you is incorrect. Using >> my program with promiscuous mode, the port 0 receives only DNS queries from >> the DNS client, but the port 1 receives only DNS replies from the DNS >> server. I'd like to know why it happens. >> >> Thank you very much! >> >> Regards, >> Daeyoung >> >> 2015-06-28 20:22 GMT-04:00 Keunhong Lee : >> >>> I don't know your situation exactly, but here are possible problems. >>> >>> 1. Your switch learned MAC addresses of two ports. >>> 2. Your program bug. >>> 3. l3fwd itself contains some bug. >>> 4. You did not set all ports in promiscuous mode. >>> >>> You'd better try 'pktgen' application to test your environment. >>> >>> Keunhong. >>> >>> >>> >>> 2015-06-27 0:45 GMT+09:00 Daeyoung Kim : >>> >>>> Hello, >>>> >>>> I'm writing a packet capture program from the l3fwd. When I send DNS >>>> packets, the wireshark simultaneously gets all the packets on two ports. >>>> However, using my program with promiscuous mode, one port receives all >>>> the >>>> packets, but the other port gets nothing. Do you know why it happens? >>>> Could >>>> it be network topology problem using DPDK, a DPDK design like forwarding >>>> mechanism, or just my program bugs? Any comments would be appreciated. >>>> >>>> Thanks, >>>> Daeyoung >>>> >>> >>> >> >