Re: [Xen-users] 1 host, 1 nick, 1 regular bridge, 1 local bridge, 5 vm

[Todd Deshane <todd.deshane@xxxxxxx>]

On Wed, Mar 23, 2011 at 11:25 AM, Carlos <cechevarne@xxxxxxxxx> wrote:
> Debian/Ubuntu /etc/network/interfaces config to setup dom0 internal network
> interface(bridge dummy).
>
> Load kernel module.
>
> modprobe dummy
>
> /etc/network/interfaces
>
> auto dummy0
> iface dummy0 inet manual
>         pre-up ifconfig $IFACE up
>         post-down ifconfig $IFACE down
>
> auto lan-xen-ofi
> iface lan-xen-ofi inet manual
>         bridge_ports dummy0
>         bridge_maxwait 0
>         bridge_stp off
>
>


Carlos: do you feel this type of information should be added to the wiki
http://wiki.xensource.com/xenwiki/HostConfiguration/Networking

If so, let me know your username on the wiki (i can add you to the
editors group) if you would like to help shape this page.

Thanks,
Todd

> 2011/3/22 John Rounds <vannion@xxxxxxxxx>
>>
>> I think this might be the answer I needed Todd,   Going to give it a try
>> soon.
>>
>> On Tue, Mar 22, 2011 at 8:36 AM, Todd Deshane <todd.deshane@xxxxxxx>
>> wrote:
>>>
>>> On Mon, Mar 21, 2011 at 5:35 PM, Simon Hobson <linux@xxxxxxxxxxxxxxxx>
>>> wrote:
>>> > John Rounds wrote:
>>> >>
>>> >> So Working on CEntOS 5  I am trying to sett up Xen with 2 bridges, one
>>> >> that connects dom0 and most of the domU to the physical card and the
>>> >> out to
>>> >> the network.  Got that figured out no problem, now i want to have a
>>> >> second
>>> >> bridge that runs a local network for all the doms that doesn't connect
>>> >> to
>>> >> the network.
>>> >>
>>> >> With code I have found used in multiple places I can easily get 2
>>> >> bridges,
>>> >> and have all the Domu connected to it but i can't get Dom 0 to have an
>>> >> interface.
>>> >>
>>> >> Script to set up bridges called fine from xend-config.sxp
>>> >>
>>> >> ]# cat multiple-bridge
>>> >> #!/bin/sh
>>> >> dir=$(dirname "$0")
>>> >> "$dir/network-bridge" "$@" vifnum=0 netdev=eth0 bridge=xenbr0
>>> >> "$dir/network-bridge" "$@" vifnum=2 netdev=dummy bridge=xenbrloc1
>>> >
>>> > I'd suggest you setup the local bridge manually - not in Xen.
>>> >
>>>
>>> Good suggestion. We have documentation and notes on this, since this
>>> is the way Xen 4.1+ will work.
>>>
>>> See:
>>> http://wiki.xensource.com/xenwiki/HostConfiguration/Networking
>>> http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B
>>>
>>> Thanks,
>>> Todd
>>>
>>> > Is this Debian ? If so then you can put something like this in
>>> > /etc/network/interfaces - check the syntax, I'm typing this from memory
>>> > :
>>> >
>>> > auto xenbrloc1
>>> > xenbrloc1 inet static
>>> >  ip address a.b.c.d
>>> >  netmask w.x.y.z
>>> >  pre-up brctl addbr xenbrloc1
>>> >  post-down brctl delbr xenbrloc1
>>> >
>>> > I think this should work for you. What happens is that when the I/F is
>>> > brought up, the bridge is created first (pre-up), and then the IP addr
>>> > is
>>> > added to it. The bridge is automatically deleted if the I/F is taken
>>> > down.
>>> >
>>> > For other distros you'll need to adapt as required.
>>> >
>>> > --
>>> > Simon Hobson
>>> >
>>> > Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
>>> > author Gladys Hobson. Novels - poetry - short stories - ideal as
>>> > Christmas stocking fillers. Some available as e-books.
>>> >
>>> > _______________________________________________
>>> > Xen-users mailing list
>>> > Xen-users@xxxxxxxxxxxxxxxxxxx
>>> > http://lists.xensource.com/xen-users
>>> >
>>>
>>>
>>>
>>> --
>>> Todd Deshane
>>> http://www.linkedin.com/in/deshantm
>>> http://www.xen.org/products/cloudxen.html
>>
>>
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>
>
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>



-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html

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