Also run "brctl show" from the hypervisor and note if there is an interface
called eth{x}.0 attached to the bridge. If so, then check "cat
/proc/net/vlan/config" and "cat /proc/net/vlan/eth{x}.0, where x=interface
number.
I'm curious how the system is interpreting the bridge.
Sent from my iPhone
On Aug 16, 2012, at 9:25 PM, citrix-dev <[email protected]> wrote:
> Hello Kelcey,
> I think i have identified the issue. It seems that Cloudstack is associating
> the VM's interface with a non-existent bridge cloudVirBr0 instead of the
> cloudbr0 which it creates. I figured it from the virsh dump xml :
>
> <interface type='bridge'>
> <mac address='06:66:e4:00:00:20'/>
> <source bridge='cloudVirBr0'/>
> <target dev='vnet7'/>
> <model type='virtio'/>
> <alias name='net0'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
> function='0x0'/>
> </interface>
>
>
> I grep'ped to the cloudstack config as well as database, i cannot seem to
> find any configuration pointing to cloudVirBr0.
>
> It would be great if you can share your thoughts.
>
> --
> Regards, Kalpak
>
> On Thu, Aug 16, 2012 at 12:23 AM, citrix-dev <[email protected]> wrote:
> Hello Kelcey,
> Thanks for the quick response.
>
> I create the additional guest network and the another network interface gets
> added to the VM, although the VM isnt accessible from either of the
> interfaces. On accessing the VM from the console, i cannot seem ping anyone
> outside.
>
> The default gateway in the route table is to the router-instance (r-2-xxx). I
> seem to be missing something.
>
> Please let me know.
>
> --
> Regards, Kalpak
>
>
> On Wed, Aug 15, 2012 at 11:42 PM, Kelcey Damage (BBITS) <[email protected]>
> wrote:
> Create a shared network with that IP range, then when you create(instance)
> the VMs add both networks to the instance and it will come up with 2
> interfaces, one on each network.
>
> Kelcey Jamison-Damage
> Infrastructure Systems Architect
>
> Backbone Technology | Backbone Datavault | Backbone IT Services
> 55 East 7th Ave Vancouver - BC Canada V5T 1M4
> [email protected] | 604-331-1152 ext. 114
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of citrix-dev
> Sent: Wednesday, August 15, 2012 11:01 AM
> To: [email protected]
> Subject: Spawning VMs in bridged mode on KVM ( Cloudstack 3.0.2)
>
> Hello,
> We have a KVM-based setup with the following configurations:
> Private Network : 10.88.88.0/28
> Public Network: 108.x.x.x/24
>
> Each KVM host has a statically assigned IP Address to it from the 10.88.88.x
> pool. 10.88.88.1 is the default gateway which is used to route traffic to
> the external world. The VMs that we spawn via Cloudstack come-up fine on the
> 10.1.1.x Cloudstack network. But we would like to have the 10.88.88.x
> network-based IP addresses assigned the VMs as well. i.e bridged mode.
>
> Is it possible to achieve the same? or will the VMs always come-up on the
> 10.1.1.x network *only* ?
>
> --
> Regards, Kalpak
>
>
>