[Openstack] [Quantum][Grizzly] Second NIC is not getting IP address from the network

Aaron Rosen arosen at nicira.com
Wed Apr 17 18:51:20 UTC 2013


Hi,

The cirros image only starts the dhcp client on the eth0 interface. If you
have a vm with multiple interfaces you need to manually run udhcp -i
<interface> or change the network configuration file in order to start the
dhcp client for you .

Aaron


On Wed, Apr 17, 2013 at 11:44 AM, Anil Vishnoi <vishnoianil at gmail.com>wrote:

> Hi All,
>
> I created two network, one private network for project (say
> 'TestProject'), and second network at admin level, but its shared network.
>
> I spawned one VM and connected it to private network. VM successfully
> boots up and get the IP address from its respective private network DHCP.
>
> I spawned second VM and connected it to the shared network, and it boots
> up successfully and gets IP address from the shared network DHCP.
>
> I spawned third VM and connected it to both the network, and the order was
> 1.Private Network 2. Shared Network. VM boots up successfully but only gets
> the IP address from the private network DHCP and second NIC didn't receive
> any ip from shared network DHCP.
>
> Next i spawned fourth VM and this time i changed the ordering of NIC, 1.
> Shared Network 2.Private Network. VM gets the IP address from shared
> network DHCP but not from private network DHCP. Looks like whatever first
> network you add while creating VM, it will just make DHCP request for the
> first network only. Is this expected behavior ? My understanding is both
> the NIC should get IP address if DHCP is enabled for the connected networks.
>
> Few point i want to mention
>
> * I am using cirros VM image
> * Meta data service is running on my network node, but i am still not able
> to reach the mata data service.
>
> Please let me know if further details are needed for debugging this issue.
> Thanks in advance!!!
>
> --
> Thanks
> Anil
>
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