[ovs-discuss] Q-in-Q tagging

Tim Weippert weiti at weiti.org
Tue Jul 16 07:26:09 UTC 2019 

Hi, 

maybe you forgot to set:

ovs-vsctl set Open_Vswitch . other_config:vlan-limit=2

I use both variants openflow manual and dot1q-tunnel and they work
both as expected.

regards, 
tim

On Tue, Jul 16, 2019 at 05:24:45AM +0000, Heim, Dennis wrote:
> Looking into this via packet sniffing..
> 
> When I configure the port that connected to the Service Provider, with this command:
> 	ovs-vsctl add-port data eth0 tag=500 vlan_mode=dot1q-tunnel
> 
> After doing that, I do not see any traffic going through that interface. If I add the port as a regular port (vlan10), I am able to see the packets and they are tagged with the first vlan.  As soon as I change the vlan_mode, and set a tag, I do not see any traffic.
> 	add-port data eth0 
> 
> By building a manual flow rule, I was able to get it to work
> ovs-ofctl add-flow data in_port=13,action=pop_vlan,output:1
> ovs-ofctl --protocols=OpenFlow11 add-flow data in_port=1,actions=push_vlan:0x8100,mod_vlan_vid=500,output:13
> 
> Does anyone have dot-1Q tunneling working, if so what version of OvS are you running?
> 
> Thanks,
> 
> Dennis Heim | Domain Architect (Collaboration Labs)
> World Wide Technology, Inc. | +1 314-212-1814
> 
> 
> 
> "The most powerful person in the world is the story teller. The storyteller sets the vision, values and agenda of an entire generation that is to come" - Steve Jobs
> "Leadership isn't a different maker. It is the difference maker" - Tim Kight
> "Leaders who don't listen will eventually be surrounded by people who have nothing to say" --- Andy Stanley
> "Worry less about who you might offend, and more about who you might inspire" -- Tim Allen
> "Imagination is more important than knowledge."  -- Albert Einstein
> "If you can raise the level of effort and performance in those around you, you are officially a leader" - Urban Meyer
> "The greatest danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it." -- Michelangelo Buonarroti
> "Mediocore managers play checkers (assuming everyone is the same). Great managers play chess (acknowledging that everyone is unique)" - Marcus Buckingham
> "If you're not failing every now and again, it's a sign you're not doing anything very innovative" - Woody Allen
> 
> Click here to join me in my Collaboration Meeting Room
> 
> -----Original Message-----
> From: ovs-discuss-bounces at openvswitch.org <ovs-discuss-bounces at openvswitch.org> On Behalf Of Nitin Katiyar
> Sent: Monday, July 15, 2019 4:29 AM
> To: ovs-discuss at openvswitch.org
> Subject: Re: [ovs-discuss] Q-in-Q tagging
> 
> 
> 
> > -----Original Message-----
> > From: ovs-discuss-bounces at openvswitch.org [mailto:ovs-discuss- 
> > bounces at openvswitch.org] On Behalf Of ovs-discuss- 
> > request at openvswitch.org
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> > To: ovs-discuss at openvswitch.org
> > Subject: discuss Digest, Vol 121, Issue 21
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> >    1. Q-in-Q tagging (Heim, Dennis)
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> > Message: 1
> > Date: Mon, 15 Jul 2019 07:42:40 +0000
> > From: "Heim, Dennis" <Dennis.Heim at wwt.com>
> > To: "ovs-discuss at openvswitch.org" <ovs-discuss at openvswitch.org>
> > Subject: [ovs-discuss] Q-in-Q tagging
> > Message-ID:
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> > Content-Type: text/plain; charset="us-ascii"
> > 
> > I upgraded to OvS 2.9.5 to get Q-in-Q (VLAN in VLAN support). I am 
> > trying to get it working to a Cisco router. Has anyone conquered this beast already?
> > With the VLAN_MODE=dot1-tunnel, do you know what ethertype it is 
> > expecting to be used?
> > 
> Hi,
> Default is ETH_TYPE_VLAN_8021AD (0x88a8) but you can change it using following command:
> ovs-vsctl set Port <PORT NAME> vlan_mode=dot1q-tunnel other-config:qinq-ethtype=802.1q
> 
> regards,
> Nitin
> > Dennis Heim | Domain Architect (Collaboration Labs) World Wide 
> > Technology, Inc. | +1 314-212-1814 
> > [cid:image001.png at 01D10DD2.7FC81F90]<https://twitter.com/CollabSensei
> > >
> > [cid:image002.png at 01D10DD2.7FC81F90]<xmpp:dennis.heim at wwt.com>[ci
> > d:image003.png at 01D10DD2.7FC81F90]<tel:+13142121814>[cid:image004.
> > png at 01D10DD2.7FC81F90]<sip:dennis.heim at wwtatc.com>
> > 
> > "The most powerful person in the world is the story teller. The 
> > storyteller sets the vision, values and agenda of an entire generation 
> > that is to come" - Steve Jobs "Leadership isn't a different maker. It 
> > is the difference maker" - Tim Kight "Leaders who don't listen will 
> > eventually be surrounded by people who have nothing to say" --- Andy 
> > Stanley "Worry less about who you might offend, and more about who you 
> > might inspire" -- Tim Allen "Imagination is more important than 
> > knowledge."  -- Albert Einstein "If you can raise the level of effort 
> > and performance in those around you, you are officially a leader" - 
> > Urban Meyer "The greatest danger for most of us is not that our aim is 
> > too high and we miss it, but that it is too low and we reach it." -- 
> > Michelangelo Buonarroti "Mediocore managers play checkers (assuming 
> > everyone is the same). Great managers play chess (acknowledging that 
> > everyone is unique)" - Marcus Buckingham "If you're not failing every 
> > now and again, it's a sign you're not doing anything very innovative" 
> > - Woody Allen
> > 
> > Click here to join me in my Collaboration Meeting 
> > Room<https://wwt.webex.com/meet/dennis.heim>
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