From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-f172.google.com (mail-qt1-f172.google.com [209.85.160.172]) by dpdk.org (Postfix) with ESMTP id B2FED7CBC for ; Mon, 24 Sep 2018 18:43:50 +0200 (CEST) Received: by mail-qt1-f172.google.com with SMTP id l2-v6so10145970qtr.12 for ; Mon, 24 Sep 2018 09:43:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=X1Is9kLprDaebdNBAYpiGRQbbRvEQmo9+51EOALXLr4=; b=uyVc5L9NGrFM+gd7g0rRQNZHbGmM7bmnY8YlFyNuYrrLrf2TV57yMWpXLe9BQX5kAu 5J8NBDQyOCUPDtQ3ELtF6gvbGhKeWnSwdunFRR7uW+GjGLRy8fB4pbU1L9eiec54hOxX yGSHyTtF2ll7FEqJZxhkT7tZq2jeQTGYx0fGdZuBP/GpjSJ53W0bzhjifDqkKu1r0uUP QGGYNaI3r9/amgMSeD8voxKxm3/sd3sugwmKiu9TssriOwwtcYf8xiERNYyho1zzsqe6 skz2jWreh++SOWlN7kDe/kbEKYogkvI7V/ZwYuj1m76DFAIuDbtyvjujxCVs2Me/h1YD ljFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=X1Is9kLprDaebdNBAYpiGRQbbRvEQmo9+51EOALXLr4=; b=oNIX7B52r53h6wcAZbek9tyMaTrK3q7vY/BJ0Uoicht3IGO1Cafyg0UFvUYSPzLiOe NjRJFA11VFdEMHSEfBHmfS0uVpm9L1t7XDvh5ey2tes/FDLRlZ/KXMb18cTykRfb6sbb t8K2ZXofXc14CNpmmyp2IRAAhfJV+DSuTU6twDwdpF4zQAV8C5vsj3VT5BBOsf8TPqRl zpqrleI1JYvqEHHPaU2wrhUh4MmKX2l+0SZr9OfpoKsQqsdKsU+LNT5ufJYgFiVpqUgV /fOjQvWmL8EA5F9USXULVzbbf3lt9G5PGouE7VzpyzDmJ9i1cj4+WtnjWHvoBOUY8AdK mQqA== X-Gm-Message-State: APzg51B6fcjd4HTbVqjDuSkhNfcRH3YQCt7+f7XgSTUFmRgcR5E4jcr1 MtE7kqtQvwSfhowGy1rFJj/aEAsnDSPogxCk7RpOcw== X-Google-Smtp-Source: ANB0VdbZB8yc9w7CgQEeJ0SnhK8u4NtKTZAE4IPBw9dwqgpiEApnE7i49gTNTVyXKdAPQHZqeyWC7YygmuCoAydCqTU= X-Received: by 2002:ac8:2bc3:: with SMTP id n3-v6mr9075974qtn.152.1537807430136; Mon, 24 Sep 2018 09:43:50 -0700 (PDT) MIME-Version: 1.0 References: <20180919090419.36966a16@xeon-e3> In-Reply-To: <20180919090419.36966a16@xeon-e3> From: Anupama Laxmi Date: Mon, 24 Sep 2018 22:13:38 +0530 Message-ID: To: stephen@networkplumber.org Cc: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] UDP packet source IP address modified in the KVM host X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Sep 2018 16:43:50 -0000 Its KVM SRIOV On Wed, Sep 19, 2018 at 9:34 PM Stephen Hemminger < stephen@networkplumber.org> wrote: > On Wed, 19 Sep 2018 08:57:52 +0530 > Anupama Laxmi wrote: > > > Hi, > > > > When the DPDK UDP packets pass from guest machine to host using KVM SRIOV > > the source IP address in the IP header of the UDP packet is changed.The > > changed IP address is not configured in the host machine either.The > > ifconfig output doesn't show this IP.How this IP address can change in > the > > host?what configurations do I need to check and how to prevent this IP > > address change. > > > > Regards, > > Anupama > > Are you really using KVM SRIOV or is it a virtio device with NAT? >