Re: [OSR-users] [OSR-devel] Bridged Interfaces

[Marc G. <gr...@at...>]

----- "Gordan Bobic" <go...@bo...> wrote:

> Hmm, I'm trying to use this configuration:
> 
> <eth	name    = "eth1"
> 	mac     = "00:0B:DB:90:4E:1C"
> 	bridge  = "br1"
> 	driver  = "e1000"
> />
> <eth    name    = "br1"
> 	type    = "bridge"
> 	ip      = "10.2.255.252"
> 	mask    = "255.255.0.0"
> 	gateway = ""
        driver="bridge"
> />
What happens if you add driver="bridge" here?

Bridges can sometimes be a little "tricky" as they can up little late.

But try use the above settings and let me know if this helps.

Marc.
> 
> And the interfaces end up not coming up properly. The error message
> says 
> that it couldn't identify them, and I get dumped to the debug prompt.
> If 
> I then rmmod and modprobe them in the right order and configure 
> manually, it continues booting OK. Am I missing a parameter
> somewhere?
> 
> Gordan
> 
> Marc Grimme wrote:
> > Just keep the bridge small in the cluster.conf. 
> > The Bridge in ifcfg-<bridgename> will be Bridge not bridge.
> > Regards Marc.
> > ----- "Gordan Bobic" <go...@bo...> wrote:
> > 
> >> Marc Grimme wrote:
> >>
> >>>> Specifically, KVM bridged networking requires a bridged network
> >>>> device, 
> >>>> which I'm not sure can be set up in cluster.conf at the moment.
> >>  >
> >>> It can.
> >>> See
> >>>
> >>
> http://www.open-sharedroot.org/faq/administrators-handbook/cluster-system-administration/networking/configure-bridging-on-the-cluster-interfaces/?searchterm=bridge
> >>> Let me know if you have any further questions. But this is a
> typical
> >> setup and should not be a problem.
> >>
> >> Ah, awesome, I couldn't find that page in the docs. Clearly I
> wasn't 
> >> trying hard enough. :)
> >>
> >>
> >> [...]
> >>
> >>> What is doable is to specify both in the cluster.conf. If you
> want
> >> to bridge a NIC that is required in the initrd you need to specify
> >> both (the nic and the bridge) in the cluster.conf.
> >>> Your example would look as follows:
> >>> <cluster ..>
> >>> ..
> >>> <clusternode name="..." ..>
> >>>   <com_info>
> >>>      <eth name="eth0" mac="00:11:22:33:44:55" bridge="br0" ../>
> >>>      <eth name="br0"  ip="10.11.12.13" mask="255.0.0.0"
> >> gateway="10.255.255.254" ../>
> >>>      ..
> >>>   </com_info>
> >>> </clusternode>
> >>> ..
> >>> </cluster>
> >>>
> >>> What do you think?
> >> One minor question - the docs say that on the br0 interface, there
> 
> >> should be a 'type="bridge"' attribute (RH documentation says that
> in
> >> the 
> >> ifcfg file "Bridge" is case sensitive). Should this be added, and
> does
> >>
> >> this case-sensitivity hold in cluster.conf?
> >>
> >> Thanks.
> >>
> >> Gordan
> >

-- 

Marc Grimme

Tel: +49 89 4523538-14
Fax: +49 89 9901766-0
E-Mail: gr...@at...

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