Sorry about it, I've misssed this.
>-------- Оригинално писмо --------
>От: Ben Pfaff b...@nicira.com
>Относно: Re: Re: Re: Re: [ovs-discuss] KVM, OpenVswitch and VLANs in VMs
>До: Любомир Йотов
>Изпратено на: Сряда, 2011, Януари 26 05:17:34 EET
> I usually reply only to emails that are CC'd to the mailing list.
>
> On Tue, Jan 25, 2011 at 6:45 PM, Любомир Йотов wrote:
> > Hi Ben,
> >
> > Did you get my previous message, attached below?
> >
> >
> >
> > >-------- Оригинално писмо --------
> > >От: Любомир Йотов l.yo...@abv.bg
> > >Относно: Re: Re: Re: [ovs-discuss] KVM, OpenVswitch and VLANs in VMs
> > >До: Ben Pfaff
> > >Изпратено на: Сряда, 2011, Януари 12 17:54:02 EET
> >
> >
> >> Hello Ben,
> >>
> >> Sorry for missing the commands. Here is what I do:
> >>
> >> I have KVM installed on top of Debian
> >> Linux 2.6.32-5-amd64 #1 SMP Thu Nov 25 18:02:11 UTC 2010 x86_64 GNU/Linux
> >>
> >> KVM version:
> >> QEMU PC emulator version 0.12.5 (qemu-kvm-0.12.5), Copyright (c) 2003-2008
> >> Fabrice Bellard
> >>
> >>
> >> ovs-vswitch version:
> >> ovs-vswitchd (Open vSwitch) 1.0.1
> >> Compiled Aug 12 2010 19:51:41
> >> OpenFlow versions 0x1:0x1
> >>
> >> VM start:
> >> #kvm -m 512 -smp 4,sockets=2,cores=2,threads=2 -net nic,model=rtl8139 -net
> >> nic,vlan=0,macaddr=52:54:00:e9:99:81 -net tap,vlan=0,ifname=tap0,script=no
> >> -boot c -usb -usbdevice tablet -drive file=/home/virt/Nun.qcow2 -localtime
> >> -k en-us -vga cirrus -usb -vnc 192.168.1.1:1 &
> >>
> >> VM config:
> >> #vconfig add eth1 2000
> >> #ifconfig eth1 up
> >> #ifconfig eth1.2000 up
> >> #ifconfig eth1.2000 10.0.0.82 netmask 255.255.255.0
> >>
> >>
> >> ovs configuration:
> >> #ovs-vsctl add-port br0 eth0
> >> #ovs-vsctl add-port br0 tap0
> >>
> >> # ovs-vsctl list port
> >> _uuid : 32abf6fd-09c8-44bd-b4a8-d0de020fe0d7
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [c331c454-67d4-4a1a-9f7e-e59b91e984f3]
> >> mac : []
> >> name : "tap0"
> >> other_config : {}
> >> tag : []
> >> trunks : []
> >>
> >> _uuid : 98387962-7e22-4808-b2fa-92cee336d9c9
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [ca467b3a-2d4d-4107-87af-984f0713bb02]
> >> mac : []
> >> name : "br0"
> >> other_config : {}
> >> tag : []
> >> trunks : []
> >>
> >> _uuid : f5215202-2b8d-4602-bf6b-8f5c92f9b3dc
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [803f40fa-6cf4-400e-922a-440c645f6003]
> >> mac : []
> >> name : "eth0"
> >> other_config : {}
> >> tag : []
> >> trunks : []
> >>
> >> As you can see 'tag' and 'trunks' are empty. So I should be able to have
> >> vlans on the VM.
> >>
> >> I tried to modify these columns like this:
> >>
> >> # ovs-vsctl add Port 32abf6fd-09c8-44bd-b4a8-d0de020fe0d7 trunks 2000
> >>
> >> # ovs-vsctl list port
> >> _uuid : 32abf6fd-09c8-44bd-b4a8-d0de020fe0d7
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [c331c454-67d4-4a1a-9f7e-e59b91e984f3]
> >> mac : []
> >> name : "tap0"
> >> other_config : {}
> >> tag : []
> >> trunks : [2000]
> >>
> >> _uuid : 98387962-7e22-4808-b2fa-92cee336d9c9
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [ca467b3a-2d4d-4107-87af-984f0713bb02]
> >> mac : []
> >> name : "br0"
> >> other_config : {}
> >> tag : []
> >> trunks : []
> >>
> >> _uuid : f5215202-2b8d-4602-bf6b-8f5c92f9b3dc
> >> bond_downdelay : 0
> >> bond_fake_iface : false
> >> bond_updelay : 0
> >> external_ids : {}
> >> fake_bridge : false
> >> interfaces : [803f40fa-6cf4-400e-922a-440c645f6003]
> >> mac : []
> >> name : "eth0"
> >> other_config : {}
> >> tag : []
> >> trunks : []
> >>
> >>
> >>
> >> # ovs-vsctl list-ifaces br0
> >> eth0
> >> tap0
> >> # ovs-vsctl list-ports br0
> >> eth0
> >> tap0
> >>
> >> If I try to ping another live address on vlan 2000 from the VM I don't get
> >> response. The tcpdump of the bridge br0 shows no requests from the VM.
> >> I clear the port trunk vlan with:
> >> #ovs-vsctl clear port 32abf6fd-09c8-44bd-b4a8-d0de020fe0d7 trunks
> >>
> >> I create eth0.2000 and add it to the bridge with:
> >>
> >> #vconfig add eth0 2000
> >> #ovs-vsctl add-port br0 eth0.2000
> >> # ovs-vsctl list-ports br0
> >> eth0
> >> eth0.2000
> >> tap0
> >>
> >> Now the tcpdump shows:
> >>
> >> # tcpdump -i br0 -n -tttt host 10.0.0.82
> >> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> >> listening on br0, link-type EN10MB (Ethernet), capture size 65535 bytes
> >> 2011-01-12 13:06:57.949513 ARP, Request who-has 10.0.0.239 tell 10.0.0.82,
> >> length 28
> >> 2011-01-12 13:06:58.949481 ARP, Request who-has 10.0.0.239 tell 10.0.0.82,
> >> length 28
> >> 2011-01-12 13:06:59.949453 ARP, Request who-has 10.0.0.239 tell 10.0.0.82,
> >> length 28
> >> 2011-01-12 13:07:01.949454 ARP, Request who-has 10.0.0.239 tell 10.0.0.82,
> >> length 28
> >> 2011-01-12 13:07:02.949478 ARP, Request who-has 10.0.0.239 tell 10.0.0.82,
> >> lengt....
> >> ..............
> >> ..............
> >>
> >> But the ping doesn't reach its destination as when looking in the MAC
> >> addres table of the swithc that is connected to the physical port eth0 I
> >> see that the VM is in vlan1:
> >> How do I set ovs so that the vlan interfaces on the VM keep their tags
> >> unchanged?
> >>
> >> And one more thing - I noticed that I can't restart the host OS normally.
> >> When I issue 'shutdown -r now' or 'shutdown -p -h now' the system hangs
> >> on. I have to hard shutdown it.
> >> Any idea about this? Maybe if I stop ovs first (but how to do that)?
> >>
> >> Regards,
> >>
> >> Lyubo
> >>
> >> >-------- Оригинално писмо --------
> >> >От: Ben Pfaff b...@nicira.com
> >> >Относно: Re: Re: [ovs-discuss] KVM, OpenVswitch and VLANs in VMs
> >> >До: Любомир Йотов
> >> >Изпратено на: Понеделник, 2011, Януари 10 19:29:00 EET
> >>
> >>
> >> > On Mon, Jan 10, 2011 at 12:32 AM, Любомир Йотов wrote:
> >> > >
> >> > > I played with the ovs and checked the documentation. It says that if I
> >> > > don't have values in the "tag"and "trunks" columns in the "Port" table
> >> > > then all vlans will be allowed.
> >> > > What happens right now is that I can send packets out from the VM on
> >> > > the physical interface (I can see the VM's MAC address in the MAC
> >> > > address table of the switch to which the server is connected) and if
> >> > > I add the ethxx.yyy to the bridge on the host the packets are sent in
> >> > > the yyy vlan. The problem is that the outside world is not visible to
> >> > > the VM on vlan yyy. That means that the packets go out but cannot come
> >> > > in the VM and I am wondering what could be the reason.
> >> > > I tried also playing with the "trunks" and "tag" columns as you
> >> > > proposed but with no success.
> >> > > I am wondering if the there is a problem with my VM configuration in
> >> > > the KVM. I read that the default vlan in KVM is 0 while on my physical
> >> > > switch the deafult vlan is 1. I tried also putting the VM in VLAN 1
> >> > > but aslo with no success. It is strange there is no wehere written
> >> > > anything about trunking in KVM (I wonder how people in datacenter can
> >> > > live with one vlan per interface).
> >> > > Please let me know if you have any solution to my problem.
> >> >
> >> > You didn't give enough information to help. Can you show the commands
> >> > you used to configure the OVS database?
> >
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