Quoting carlopmart ([email protected]):
> Hi all,
>
> I have a problem with an ubuntu lucid 10.04 server used for KVM
> virtualization. My
> problem appears when I try to configure an "empty" bridge in
> /etc/network/interfaces
> file. For example, with a RedHat based distro (RHEL, CentOS) I can create a
> config
> file ifcfg-br20 like this:
>
> DEVICE=br20
> TYPE=Bridge
> ONBOOT=yes
> DELAY=0
> STP=off
> NM_CONTROLLED=no
>
> and then network startup script creates an empty bridge without bind any
> physical
> interface. I have tried same procedure to configure several empty bridges
> under
> ubuntu without luck:
>
> auto intprodif
> iface intprodif inet static
> bridge_stp off
> bridge_fd 9
> bridge_hello 2
> bridge_maxage 12
>
> When i try to start this bridge with "ifup intprodif" command returns me
> this error:
>
> car...@silmaril:~$ sudo ifup intprodif
> Don't seem to be have all the variables for intprodif/inet.
> Failed to bring up intprodif.
>
> How can I define an empty bridge without binding any physical interface
> into it??
>
> Many thanks.
man 5 interfaces says that for 'inet static', the following are required:
address
netmask
Add those and see if it still complains?
-serge
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