Re: [Xen-users] Network with xen 4.2

[Joseph Glanville <joseph.glanville@xxxxxxxxxxxxxx>]

On 24 August 2012 20:13, Artem Metra <Artem.Metra@xxxxxx> wrote:
> Hallo Mailinglist:),
> i used xen 4.1 with xend xm a while. I compiled the unstable 4.2 today and 
> most thinks run fine :). I have only one big problem, the network for my 
> guestsystems. It don't want to work. Hopefully somebody can help me.
>
> In Xen 4.1 i only wrote the following line in my questconfig:
> vif = [ "bridge=eth0,script=vif-bridge" ]
>
> And everything works fine. This does not work anymore and maybe somebody 
> knows why:).
>
> I have a Debian 6.0.5 as dom0 the ifconfig tells me the following:
> eth0      Link encap:Ethernet  Hardware Adresse 00:21:70:49:2e:98
>           inet Adresse:129.217.43.51  Bcast:129.217.43.127  
> Maske:255.255.255.128
>           inet6-Adresse: fe80::221:70ff:fe49:2e98/64 
> Gültigkeitsbereich:Verbindung
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metrik:1
>           RX packets:176525 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:63344 errors:0 dropped:0 overruns:0 carrier:0
>           Kollisionen:0 Sendewarteschlangenlänge:1000
>           RX bytes:256528227 (244.6 MiB)  TX bytes:5984886 (5.7 MiB)
>           Interrupt:21 Speicher:febe0000-fec00000
>
> lo        Link encap:Lokale Schleife
>           inet Adresse:127.0.0.1  Maske:255.0.0.0
>           inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
>           UP LOOPBACK RUNNING  MTU:16436  Metrik:1
>           RX packets:3967 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3967 errors:0 dropped:0 overruns:0 carrier:0
>           Kollisionen:0 Sendewarteschlangenlänge:0
>           RX bytes:37747530 (35.9 MiB)  TX bytes:37747530 (35.9 MiB)
>
> xl.config:
> ## Global XL config file ##
>
> # automatically balloon down dom0 when xen doesn't have enough free
> # memory to create a domain
> #autoballoon=1
>
> # full path of the lockfile used by xl during domain creation
> lockfile="/var/lock/xl"
>
> # default vif script
> vifscript="vif-bridge"
>
> # default output format used by "xl list -l"
> #output_format="json"
>
> # first block device to be used for temporary VM disk mounts
> #blkdev_start="xvda"
>
> # default option to run hotplug scripts from xl
> # if disabled the old behaviour will be used, and hotplug scripts will be
> # launched by udev.
> #run_hotplug_scripts=1
>
> Thank you very much:).
>
> _______________________________________________
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> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users

Hi,

XL doesn't create the bridge for you.

First create a bridge with bridge-utils (brctl addbr <brigdgename>)
then the guest vms will have their vif adapters added to the bridge
automatically via udev.

Joseph.

-- 
CTO | Orion Virtualisation Solutions | www.orionvm.com.au
Phone: 1300 56 99 52 | Mobile: 0428 754 846

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