6:20 p.m.
Hello,
I set up an oVirt cluster and created my first VM. However I can not
seem to get any network connectivity going. The VM is set up to receive
an IP address via DHCP. I can see the DHCP request come in on the
DHCP-server, but subsequently, the offer is lost somewhere. Even when I
configure a fixed IP, I can not ping any host but the VM itself and the
IP in the same VLAN on the hypervisor. My network settings are in the
attachment (output of sudo vdsClient -s localhost getVdsCaps > caps.txt
on the hypervisor). Is there something I should configure on the switch
maybe (it's a Cisco 3560G)?
--
Tiemen Ruiten
Systems Engineer
R&D Media
11:43 a.m.
On 06/26/14 17:20, Tiemen Ruiten wrote:
Hello,
I set up an oVirt cluster and created my first VM. However I can not
seem to get any network connectivity going. The VM is set up to receive
an IP address via DHCP. I can see the DHCP request come in on the
DHCP-server, but subsequently, the offer is lost somewhere. Even when I
configure a fixed IP, I can not ping any host but the VM itself and the
IP in the same VLAN on the hypervisor. My network settings are in the
attachment (output of sudo vdsClient -s localhost getVdsCaps > caps.txt
on the hypervisor). Is there something I should configure on the switch
maybe (it's a Cisco 3560G)?
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
Anyone? I've tried setting the bond to a different mode (5,
balance-tlb), but no luck.
--
Tiemen Ruiten
Systems Engineer
R&D Media
12:16 p.m.
----- Original Message -----
From: "Tiemen Ruiten" <t.ruiten(a)rdmedia.com>
To: users(a)ovirt.org
Sent: Friday, June 27, 2014 10:43:03 AM
Subject: Re: [ovirt-users] network issue with vm
On 06/26/14 17:20, Tiemen Ruiten wrote:
> Hello,
>
> I set up an oVirt cluster and created my first VM. However I can not
> seem to get any network connectivity going. The VM is set up to receive
> an IP address via DHCP. I can see the DHCP request come in on the
> DHCP-server, but subsequently, the offer is lost somewhere. Even when I
> configure a fixed IP, I can not ping any host but the VM itself and the
> IP in the same VLAN on the hypervisor. My network settings are in the
> attachment (output of sudo vdsClient -s localhost getVdsCaps > caps.txt
> on the hypervisor). Is there something I should configure on the switch
> maybe (it's a Cisco 3560G)?
bonding mode 4 which is the most natural choice, requires configuration of the
switch ports for lacp.
>
>
>
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
Anyone? I've tried setting the bond to a different mode (5,
balance-tlb), but no luck.
--
Tiemen Ruiten
Systems Engineer
R&D Media
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
6:37 p.m.
On 06/27/14 11:16, Antoni Segura Puimedon wrote:
----- Original Message -----
> From: "Tiemen Ruiten" <t.ruiten(a)rdmedia.com>
> To: users(a)ovirt.org
> Sent: Friday, June 27, 2014 10:43:03 AM
> Subject: Re: [ovirt-users] network issue with vm
>
> On 06/26/14 17:20, Tiemen Ruiten wrote:
>> Hello,
>>
>> I set up an oVirt cluster and created my first VM. However I can not
>> seem to get any network connectivity going. The VM is set up to receive
>> an IP address via DHCP. I can see the DHCP request come in on the
>> DHCP-server, but subsequently, the offer is lost somewhere. Even when I
>> configure a fixed IP, I can not ping any host but the VM itself and the
>> IP in the same VLAN on the hypervisor. My network settings are in the
>> attachment (output of sudo vdsClient -s localhost getVdsCaps > caps.txt
>> on the hypervisor). Is there something I should configure on the switch
>> maybe (it's a Cisco 3560G)?
bonding mode 4 which is the most natural choice, requires configuration of the
switch ports for lacp.
Why is it the most natural choice? On
http://www.gluster.org/community/documentation/index.php/Network_Configur...
mode 6 is recommended. My storage domain is type GlusterFS. Mode 6 is
not an option in the oVirt interface though.
Anyway, since the traffic seems to go out from the VM interface, through
the hypervisor bridge+bond and the switch and arrives at the
DHCP-server, could this really be an issue with LACP? What else can I try?
--
Tiemen Ruiten
Systems Engineer
R&D Media
7:32 p.m.
--=-8975jo8Q/9OpPq+mZuwo
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Hi Tiemen,
have you checked for general network setup issues? Sorry, can only guess
here.
To check oVirt I suggest to create another VM with a DHCP server.
Example: I recently had quite the same problem - it turned out the DHCP
server used the wrong gateway. Vlans where configured routed in the
switch; thus the DHCP requests reached the server while the offers were
not send back via the same gateway.
Daniel
On Fr, 2014-06-27 at 17:37 +0200, Tiemen Ruiten wrote:
On 06/27/14 11:16, Antoni Segura Puimedon wrote:
>
> ----- Original Message -----
>> From: "Tiemen Ruiten" <t.ruiten(a)rdmedia.com>
>> To: users(a)ovirt.org
>> Sent: Friday, June 27, 2014 10:43:03 AM
>> Subject: Re: [ovirt-users] network issue with vm
>>
>> On 06/26/14 17:20, Tiemen Ruiten wrote:
>>> Hello,
>>>
>>> I set up an oVirt cluster and created my first VM. However I can not
>>> seem to get any network connectivity going. The VM is set up to recei=
ve
>>> an IP address via DHCP. I can see the DHCP request come
in on the
>>> DHCP-server, but subsequently, the offer is lost somewhere. Even when=
I
>>> configure a fixed IP, I can not ping any host but the VM
itself and t=
he
>>> IP in the same VLAN on the hypervisor. My network
settings are in the
>>> attachment (output of sudo vdsClient -s localhost getVdsCaps > caps.t=
xt
>>> on the hypervisor). Is there something I should
configure on the swit=
ch
>>> maybe (it's a Cisco 3560G)?
> bonding mode 4 which is the most natural choice, requires configuration=
of
the
> switch ports for lacp.
>
=20
Why is it the most natural choice? On
http://www.gluster.org/community/documentation/index.php/Network_Configur=
ation_Techniques
mode 6 is recommended. My storage domain is type GlusterFS. Mode 6
is
not an option in the oVirt interface though.
=20
Anyway, since the traffic seems to go out from the VM interface, through
the hypervisor bridge+bond and the switch and arrives at the
DHCP-server, could this really be an issue with LACP? What else can I try=
?
=20
--=20
Daniel Helgenberger=20
m box bewegtbild GmbH=20
P: +49/30/2408781-22
F: +49/30/2408781-10
ACKERSTR. 19=20
D-10115 BERLIN=20
www.m-box.de www.monkeymen.tv=20
Gesch=C3=A4ftsf=C3=BChrer: Martin Retschitzegger / Michaela G=C3=B6llner
Handeslregister: Amtsgericht Charlottenburg / HRB 112767=20
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4 comments
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participants (3)
-
Antoni Segura Puimedon -
Daniel Helgenberger -
Tiemen Ruiten