From: Jamal Hadi Salim <jhs@mojatatu•com>
To: Petri Gynther <petri.gynther@gmail•com>
Cc: netdev@vger•kernel.org
Subject: Re: How to hairpin two Ethernet interfaces together (L2 hub/repeater mode)?
Date: Mon, 25 Feb 2013 14:16:53 -0500 [thread overview]
Message-ID: <512BB8A5.60103@mojatatu.com> (raw)
In-Reply-To: <CAKuTDr_eC4Wrv=uGthGJk3Zps=fnyAxpqqmsSDau7ZLs4PGyZw@mail.gmail.com>
Look at tc action redirect. Add it to ingress of eth0 to match
everything and send out on eth1.
cheers,
jamal
On 13-02-22 07:10 PM, Petri Gynther wrote:
> Hi netdev:
>
> I'd like to hairpin two Ethernet interfaces together (e.g. eth0 and
> eth1) so that any frame received on eth0 is forwarded as-is to eth1
> and vice versa.
>
> Does Linux networking code support this? I've looked at the bridging
> code, but it doesn't seem to do this (at least trivially).
> Specifically, when eth0 and eth1 are added to bridge, unicast frames
> destined to eth0 (or eth1) MAC address end up to the bridge interface
> for local consumption, rather than being flooded to other ports on the
> bridge.
>
> Any trivial solutions to this? Can Linux bridge be configured in L2
> hub/repeater mode so that it simply floods every Rx frame to all other
> ports of the bridge?
> --
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prev parent reply other threads:[~2013-02-25 19:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-23 0:10 How to hairpin two Ethernet interfaces together (L2 hub/repeater mode)? Petri Gynther
2013-02-23 1:42 ` Hannes Frederic Sowa
2013-02-25 19:16 ` Jamal Hadi Salim [this message]
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