Open Stack

There is no need for nova to create the vlans, you could use flatdhcp and manually create the vlans and specify the vlans when you create your networks:

nova-manage network-create --bridge br0101 --bridge_interface eth0.101
nova-manage network-create --bridge br1101 --bridge_interface eth1.101

Note that exposing two networks to the guest can be tricky, so most people just use the the first bridge and do the public addresses with floating ips:

nova-manage floating-create --ip_range <ip_range> --interface eth1.101

(no bridge is needed in this case)

Vish

 
On Dec 20, 2012, at 6:56 AM, Andrew Holway <a.holway at syseleven.de> wrote:

> Hi,
> 
> I am thinking about the following network setup:
> 
> 
>                    +-------------------------+
>                    |       vlan101(eth0)     |
>                    +-------------------------+
>                    +-------------------------+
>                    |          br0101         |
>                    +-------------------------+
>                        |        |         |
>                    +------+ +-------+ +------+
>                    |      | |       | |      |
>                    |  vm  | |  vm   | |  vm  |
>                    |      | |       | |      |
>                    +------+ +-------+ +------+
>                        |        |         |
>                    +-------------------------+
>                    |          br1101         |
>                    +-------------------------+
>                    +-------------------------+
>                    |       vlan101(eth1)     |
>                    +-------------------------+
> 
> Basically public IP addresses will go over eth1 and private stuff over eth0. This would mean that openstack would have to create two vlans and two bridges. Is this possible?
> 
> "please create this vlanned network on eth0 (10.141) and create this other one(10.142) on eth1"
> 
> Thanks,
> 
> Andrew
> 
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