manually config br100 in FlatDHCPManager and VlanManager

You can manually add br100 in advance and put it in promisc on the network
host. You shouldn't need promisc in vlan mode.
On May 19, 2011 7:31 AM, "Diego Lalo" <email address hidden>
wrote:
> New question #158209 on OpenStack Compute (nova):
> https://answers.launchpad.net/nova/+question/158209
>
> Hi guys, as usual I have a question :), is there a way to manually
configure br100 using FlatDHCPManager and VlanManager? I need to do this
because I need to set promisc on br100 but br100 doesn't appear until I
launch an instance. I also would like to know how to manually configure the
bridge for additional compute nodes, should I configure the bridge as static
IP or DHCP?
>
>
>
> Cheers
> Diego
>
> --
> You received this question notification because you are a member of Nova
> Core, which is an answer contact for OpenStack Compute (nova).

Ok Vish but do I need to set something special on the bridge or can be set in this way for example:

# The primary network interface
            auto br100
            iface br100 inet static
            bridge_ports eth0
            bridge_stp off
            bridge_maxwait 0
            bridge_fd 0
            address 10.0.0.1
            netmask 255.255.252.0
            network 10.0.0.0
            broadcast 10.0.3.255
            gateway 192.168.1.1

With special I mean if I have to put the bridge in the same network as the network of the projects or anything else I should set for it.

Cheers
Diego

You can just set up the bridge with no ip and let nova do the rest for you.
On May 19, 2011 9:01 AM, "Diego Lalo" <email address hidden>
wrote:
> Question #158209 on OpenStack Compute (nova) changed:
> https://answers.launchpad.net/nova/+question/158209
>
> Status: Answered => Open
>
> Diego Lalo is still having a problem:
> Ok Vish but do I need to set something special on the bridge or can be
> set in this way for example:
>
>
> # The primary network interface
> auto br100
> iface br100 inet static
> bridge_ports eth0
> bridge_stp off
> bridge_maxwait 0
> bridge_fd 0
> address 10.0.0.1
> netmask 255.255.252.0
> network 10.0.0.0
> broadcast 10.0.3.255
> gateway 192.168.1.1
>
>
> With special I mean if I have to put the bridge in the same network as the
network of the projects or anything else I should set for it.
>
> Cheers
> Diego
>
> --
> You received this question notification because you are a member of Nova
> Core, which is an answer contact for OpenStack Compute (nova).

Excellent!!! I will try it ty :)

Vish it's me again, I tried putting this in /etc/network/interfaces but if I restart networking the br100 gets an incorrect IP, instead of 10.0.0.1 it gets 192.168.1.234, how can I do to make br100 get the right IP?

# Networking for OpenStack Compute
auto br100

iface br100 inet dhcp
    bridge_ports eth0
    bridge_stp off
    bridge_maxwait 0
    bridge_fd 0

don't dhcp it.

Vish

On May 19, 2011, at 10:46 AM, Diego Lalo wrote:

> Question #158209 on OpenStack Compute (nova) changed:
> https://answers.launchpad.net/nova/+question/158209
>
> Status: Solved => Open
>
> Diego Lalo is still having a problem:
> Vish it's me again, I tried putting this in /etc/network/interfaces but
> if I restart networking the br100 gets an incorrect IP, instead of
> 10.0.0.1 it gets 192.168.1.234, how can I do to make br100 get the right
> IP?
>
> # Networking for OpenStack Compute
> auto br100
>
> iface br100 inet dhcp
> bridge_ports eth0
> bridge_stp off
> bridge_maxwait 0
> bridge_fd 0
>
> --
> You received this question notification because you are a member of Nova
> Core, which is an answer contact for OpenStack Compute (nova).

I changed dchp to static but I didn't set an IP, I restarted nova-network and networking service but the bridge didn't appear.

Diego

I managed to create the bridge without IP using brctl and OpenStack did the rest :) Ty for your help Vish!!

Cheers
Diego

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