[ovs-discuss] Fwd: Rhel 6.1 - openvswitch 1.2.2 - network commutation between physical and virtual - doesn't work

Jesse Gross jesse at nicira.com
Fri Sep 30 23:02:24 UTC 2011


On Fri, Sep 30, 2011 at 8:41 AM, Benoit ML <ben42ml at gmail.com> wrote:
>
>
> ---------- Forwarded message ----------
> From: Benoit ML <ben42ml at gmail.com>
> Date: 2011/9/30
> Subject: Re: [ovs-discuss] Rhel 6.1 - openvswitch 1.2.2 - network
> commutation between physical and virtual - doesn't work
> To: Leland Vandervort <leland at dev.discpro.org>
>
>
> This is my last test on openvswitch :
>
> Well I have :
> - A vswitch with a physical port on eth4
> - An internal interface vi1 with tag = 3702
>
> - A physical server with an interface eth0.3702
> - H3C configured to "permit" traffic trhoug
>
> Conclusion :
>   OpenVswitch send the packet trough eth4 with a  tag 3702.  (ARP Request)
>   The pysical receive the packet  and respond (ARP Reply)
>   The packet arrive to the eth4 interface of openvswitch (so the H3C do the
> job no ?)  BUT without vlan tag (no tag view  by tcpdump ... vlan offload ?
> other ?)

This is due to vlan acceleration issues.  Unfortunately, the be2net
driver included with Linux 2.6.32 has known problems with vlans and
Open vSwitch (and tcpdump).  I thought that bnx2x should work but I
don't know about the exact version included with RHEL 6.1.



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