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Re: [Xen-users] Xenserver Debian VM's

2011/8/10 Christian Motschke <christian@xxxxxxxxxxx>
Fine. Maybe you could CC the list so that others know that it worked, when they search the mailing list for the same error as you had.

Viele Grüße.

Am 10.08.2011 um 03:01 schrieb Diego Spinola Castro <spinolacastro@xxxxxxxxx>:

Christian, it worked so nice!

2011/8/9 Diego Spinola Castro <spinolacastro@xxxxxxxxx>
Hey man.. it worked ! i have to put it on dhcp server, no need to run in vm!

I have to do a couple tests but i believe that it is solved.. thanks a lot!

2011/8/9 Christian Motschke <christian@xxxxxxxxxxx>
You can try the same command (ethtool ...) by hand on the server dhcp is on and/or on the Dom0 where the bridge is on. When It works, you put it permanently in the interfaces file.

Viele Grüße.

Am 09.08.2011 um 02:28 schrieb Diego Spinola Castro <spinolacastro@xxxxxxxxx>:

Hey, still not working.
I'm running debian squeeze, xenserver 5.6 sp2.

What more can i do to fix it?

2011/8/8 Christian Motschke <christian@xxxxxxxxxxx>
You need to turn off TX checksuming in DomU.

apt-get install ethtool

In /etc/network/interfaces:

# The primary network interface
auto eth0
iface eth0 inet dhcp
 post-up ethtool -K eth0 tx off


Am 08.08.2011 um 23:09 schrieb Diego Spinola Castro:

HI, i have been getting a issue about xenserver and debian based distros vms.
What happens is when debian vm try get ip from dhcp , it can't get any ip address and syslog says:

Aug  8 17:59:36 debian dhclient: DHCPDISCOVER on eth0 to port 67 interval 3
Aug  8 17:59:36 debian dhclient: 5 bad udp checksums in 5 packets

I found the documented issue http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg41958.html talking about dhclient.

Now, the only way to get ip address is running dhcp server in other host, however vm and dhcp vm can't stay in same host.

Anyone know about it?
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