[Users] Logical Network VLAN Tagging and DataCenters
--_000_D86C48DF8800164BBE50B87623F7AC95481F3217ln2wio001devtra_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is it possible/supported to have the same VLAN ID defined across multiple d= atacenters logical networks? I am seeing a situation where if I have two Datacenters, both with a logica= l network that have the same vlan tag. E.G. DC =3D London, Logical network =3D prod, VLAN =3D 123 DC =3D Paris, Logical network =3D prod, VLAN =3D 123 If I edit one of the VM's running in the "London" datacenter, the VM NIC sh= ows up as empty even though if I click on the VM and go to the "Network Int= erfaces" tab at the bottom of the screen it lists up the "prod" network und= er "Network Name". All works OK for VM's that are assigned a logical network that is only defi= ned once (i.e. has not been added to both datacenters). This configuration is on oVirt Engine 3.3.2-1.el6. I am planning on moving = to 3.4 very soon so will test out again on that version. Thanks, Simon --_000_D86C48DF8800164BBE50B87623F7AC95481F3217ln2wio001devtra_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
<meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style><!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; margin-bottom:.0001pt; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-fareast-language:EN-US;} a:link, span.MsoHyperlink {mso-style-priority:99; color:#0563C1; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:#954F72; text-decoration:underline;} span.EmailStyle17 {mso-style-type:personal-compose; font-family:"Calibri","sans-serif"; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; font-family:"Calibri","sans-serif"; mso-fareast-language:EN-US;} @page WordSection1 {size:612.0pt 792.0pt; margin:72.0pt 72.0pt 72.0pt 72.0pt;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--> </head> <body lang=3D"EN-GB" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal">Is it possible/supported to have the same VLAN ID de= fined across multiple datacenters logical networks?<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I am seeing a situation where if I have two Datacent= ers, both with a logical network that have the same vlan tag. E.G.<o:p></o:= p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">DC =3D London, Logical network =3D prod, VLAN =3D 12= 3<o:p></o:p></p> <p class=3D"MsoNormal">DC =3D Paris, Logical network =3D prod, VLAN =3D 123= <o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">If I edit one of the VM’s running in the ̶= 0;London” datacenter, the VM NIC shows up as empty even though if I c= lick on the VM and go to the “Network Interfaces” tab at the bo= ttom of the screen it lists up the “prod” network under “= Network Name”.<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">All works OK for VM’s that are assigned a logi= cal network that is only defined once (i.e. has not been added to both data= centers).<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">This configuration is on oVirt Engine 3.3.2-1.el6. I= am planning on moving to 3.4 very soon so will test out again on that vers= ion. <o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">Thanks,<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">Simon<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> </body> </html> --_000_D86C48DF8800164BBE50B87623F7AC95481F3217ln2wio001devtra_--
Well I am also interested in this feature. I assumed it would work as logical networks are per data center defined. I hadn't time and resources to test it yet. Maybe this is just an UI-Bug? Simon, could you try and get the network interfaces of this vm via REST-API or cli? Am 01.04.2014 12:26, schrieb Simon Barrett:
Is it possible/supported to have the same VLAN ID defined across multiple datacenters logical networks?
I am seeing a situation where if I have two Datacenters, both with a logical network that have the same vlan tag. E.G.
DC = London, Logical network = prod, VLAN = 123 DC = Paris, Logical network = prod, VLAN = 123
If I edit one of the VM's running in the "London" datacenter, the VM NIC shows up as empty even though if I click on the VM and go to the "Network Interfaces" tab at the bottom of the screen it lists up the "prod" network under "Network Name".
All works OK for VM's that are assigned a logical network that is only defined once (i.e. has not been added to both datacenters).
This configuration is on oVirt Engine 3.3.2-1.el6. I am planning on moving to 3.4 very soon so will test out again on that version.
Thanks,
Simon
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Hi Simon, I think what you're experiencing is this: https://bugzilla.redhat.com/show_bug.cgi?id=1070835 So this is not by design, there shouldn't be any issue with having the same VLAN ID defined across multiple DCs. Should be fine when oVirt 3.4.1 is released, or using nightly build. Yours, Lior. On 01/04/14 13:26, Simon Barrett wrote:
Is it possible/supported to have the same VLAN ID defined across multiple datacenters logical networks?
I am seeing a situation where if I have two Datacenters, both with a logical network that have the same vlan tag. E.G.
DC = London, Logical network = prod, VLAN = 123
DC = Paris, Logical network = prod, VLAN = 123
If I edit one of the VM’s running in the “London” datacenter, the VM NIC shows up as empty even though if I click on the VM and go to the “Network Interfaces” tab at the bottom of the screen it lists up the “prod” network under “Network Name”.
All works OK for VM’s that are assigned a logical network that is only defined once (i.e. has not been added to both datacenters).
This configuration is on oVirt Engine 3.3.2-1.el6. I am planning on moving to 3.4 very soon so will test out again on that version.
Thanks,
Simon
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Looks very much like what I am seeing. Many thanks for the info. I'll test when 3.4.1 is available. -----Original Message----- From: Lior Vernia [mailto:lvernia@redhat.com] Sent: 02 April 2014 07:58 To: Simon Barrett Cc: users@ovirt.org Subject: Re: [Users] Logical Network VLAN Tagging and DataCenters Hi Simon, I think what you're experiencing is this: https://bugzilla.redhat.com/show_bug.cgi?id=1070835 So this is not by design, there shouldn't be any issue with having the same VLAN ID defined across multiple DCs. Should be fine when oVirt 3.4.1 is released, or using nightly build. Yours, Lior. On 01/04/14 13:26, Simon Barrett wrote:
Is it possible/supported to have the same VLAN ID defined across multiple datacenters logical networks?
I am seeing a situation where if I have two Datacenters, both with a logical network that have the same vlan tag. E.G.
DC = London, Logical network = prod, VLAN = 123
DC = Paris, Logical network = prod, VLAN = 123
If I edit one of the VM's running in the "London" datacenter, the VM NIC shows up as empty even though if I click on the VM and go to the "Network Interfaces" tab at the bottom of the screen it lists up the "prod" network under "Network Name".
All works OK for VM's that are assigned a logical network that is only defined once (i.e. has not been added to both datacenters).
This configuration is on oVirt Engine 3.3.2-1.el6. I am planning on moving to 3.4 very soon so will test out again on that version.
Thanks,
Simon
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participants (3)
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Lior Vernia -
Simon Barrett -
Sven Kieske