DPDK usage discussions
 help / color / mirror / Atom feed
From: Anupama Laxmi <anupamalaxmi4@gmail.com>
To: stephen@networkplumber.org
Cc: users@dpdk.org
Subject: Re: [dpdk-users] UDP packet source IP address modified in the KVM host
Date: Mon, 24 Sep 2018 22:13:38 +0530	[thread overview]
Message-ID: <CA+17DaVd+zjErbR56BdsVaSzgJqo48ODP3j0tz2jk2UXjHjfwQ@mail.gmail.com> (raw)
In-Reply-To: <20180919090419.36966a16@xeon-e3>

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 <anupamalaxmi4@gmail.com> 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?
>

      reply	other threads:[~2018-09-24 16:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-19  3:27 Anupama Laxmi
2018-09-19 16:04 ` Stephen Hemminger
2018-09-24 16:43   ` Anupama Laxmi [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CA+17DaVd+zjErbR56BdsVaSzgJqo48ODP3j0tz2jk2UXjHjfwQ@mail.gmail.com \
    --to=anupamalaxmi4@gmail.com \
    --cc=stephen@networkplumber.org \
    --cc=users@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).