netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jarek Poplawski <jarkao2@gmail.com>
To: adam.niescierowicz@justnet.pl
Cc: netdev@vger.kernel.org
Subject: Re: tc action mirred packet lost
Date: Mon, 01 Nov 2010 12:15:55 +0100	[thread overview]
Message-ID: <4CCEA16B.1050603@gmail.com> (raw)
In-Reply-To: <aff638d83f21a1b8ab3e1911f2d3ac43@justnet.pl>

Nieścierowicz Adam wrote:
> Hello,
> recently there was a need to create 3-4 copies of the data sent to the
> router, I decided to use the tc action mirred.
> 
> 
> Ingress traficn on eth1 copies to eth1 eth2, eth3, eth4, eth5 using:
> ---
> tc qdisc add dev eth1 ingress
> 
> tc filter add dev eth1 parent ffff: protocol ip prio 10 u32 match ip src
> 0/0 flowid 1:1 action mirred egress mirror dev eth2 pipe action mirred
> egress mirror dev eth3 pipe action mirred egress mirror dev eth4 pipe
> action mirred egress mirror dev eth5
> -- 
> 
> 
> Unfortunately the number of packets seen on eth1 qdisc is different than
> the eth [2-5]

Hi,
Usually the reason for such differences is arp or other non-ip
protocols. Try a filter with "protocol all" to check this.

Jarek P.

  reply	other threads:[~2010-11-01 11:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-31 12:44 tc action mirred packet lost Nieścierowicz Adam
2010-11-01 11:15 ` Jarek Poplawski [this message]
2010-11-03  7:16   ` Nieścierowicz Adam

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=4CCEA16B.1050603@gmail.com \
    --to=jarkao2@gmail.com \
    --cc=adam.niescierowicz@justnet.pl \
    --cc=netdev@vger.kernel.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).