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

[John Rounds <vannion@xxxxxxxxx>]

The CentOS information contianed here:

http://wiki.xensource.com/xenwiki/HostConfiguration/Networking
http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B

did the trick

Thanks all

On Wed, Mar 23, 2011 at 9:58 AM, Todd Deshane <todd.deshane@xxxxxxx> wrote:
> 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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