[ovs-discuss] Mirror and bridge problem! how to add datapath?

Baxtiyor Maxsudov djbaxo at gmail.com
Mon Jul 30 16:40:16 UTC 2012


Thanks a lot Ben Pfaff, I will try to upgrade to ver.1.4.2.
I want to mirror all packets on the eth1 to another machine via gre tunnel.

2012/7/30 Ben Pfaff <blp at nicira.com>

> [adding back the mailing list]
>
> I'd suggest upgrading to version 1.4.2.  It probably fixes the
> "unexpected flow" problem.
>
> You have something that is causing packets to be received on the gre0
> tunnel.  There's not any value in that for mirroring, what is causing
> the packets to be received?
>
> On Mon, Jul 30, 2012 at 09:32:06PM +0500, Baxtiyor Maxsudov wrote:
> > ovs-vsctl (Open vSwitch) 1.4.0+build0
> > Compiled Jul 25 2012 23:24:51
> >
> >
> > 2012/7/30 Ben Pfaff <blp at nicira.com>
> >
> > > On Mon, Jul 30, 2012 at 07:16:10AM +0500, Baxtiyor Maxsudov wrote:
> > > > Hello, help me please,
> > > > I have bridge and mirror:
> > > > ovs-vsctl add-br most
> > > > ifconfig most 10.1.1.1/30
> > > > ifconfig most up
> > > > ovs-vsctl add-port most gre0 -- set interface gre0 type=gre
> > > > options:remote_ip=192.168.20.x
> > > > ovs-vsctl add-port most eth1
> > > > ovs-vsctl -- set Bridge most mirrors=@m -- --id=@eth1 get Port eth1
> --
> > > > --id=@gre0 get Port gre0 -- --id=@m create Mirror name=zerkala
> > > > select-dst-port=@eth1 select-src-port=@eth1 output-port=@gre0
> > > >
> > > > My bridge is worked successfully. I want mirror all traffic in eth1
> to
> > > > remote monitor server, but I have problem, some packets dropped by
> ovs,
> > > and
> > > > I get following messages in  /var/log/openvswitch/ovs-vswitchd.log:
> > > > ofproto_dpif|WARN|unexpected flow from datapath
> > > >
> > >
> in_port(2),eth(src=xx:xx:xx:xx:xx:xx,dst=xx:xx:xx:xx:xx:xx),eth_type(0x8100),vlan(vid=666,pcp=0),encap(eth_type(0x0800),ipv4(src=192.168.40.1,dst=192.168.40.3,proto=17,tos=0,ttl=64,frag=no),udp(src=1813,dst=1646))
> > > > ofproto_dpif|WARN|bridge most: dropping packet received on port gre0,
> > > which
> > > > is reserved exclusively for mirroring
> > > >
> > > > I think we must add datapath. But I do not know how to add it.
> > > > Please help me fix my problem.
> > >
> > > What version of OVS is this?
> > >
> >
> >
> >
> > --
> > С уважением,
> > Ведущий программист СП ООО "Chirkom"
> > Бахтиёр Махсудов
>



-- 
С уважением,
Ведущий программист СП ООО "Chirkom"
Бахтиёр Махсудов
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