RE: [Xen-users] Xen and DHCP problem

["Ross S. W. Walker" <RWalker@xxxxxxxxxxxxx>]

Franz Von Hahn wrote:
> 
> Hey folks!
> 
> I want to add a CentOS 5.2 domU to an existing server (Fedora 
> 8) which was setup by another company. The Dom0 does not 
> provide any other services but a BIND-DHCP-server (they 
> deleted dnsmasq and installed bind). Don't ask my why they did that.
> 
> My new DomU is connected to eth0, which is a bridge. BIND 
> also listens on eth0 to serve other machines.
> 
> I start the install of centos with xm create -c mynewdomu. 
> Everything seems fine and the installer tries to get an IP. 
> When I look at /var/log/messages in the Dom0 I see the 
> DHCP-requests of the new machine:
> 
> Sep 26 17:35:53 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:35:53 data-domain0 dhcpd: DHCPOFFER on 10.1.0.144 
> to 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:03 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:03 data-domain0 dhcpd: DHCPOFFER on 10.1.0..144 
> to 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:12 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:12 data-domain0 dhcpd: DHCPOFFER on 10.1.0.144 
> to 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:25 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:25 data-domain0 dhcpd: DHCPOFFER on 10.1.0.144 
> to 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:12 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:12 data-domain0 dhcpd: DHCPOFFER on 10.1.0..144 
> to 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:40 data-domain0 dhcpd: DHCPDISCOVER from 
> 00:16:3e:aa:bb:dd via eth0
> Sep 26 17:36:40 data-domain0 dhcpd: DHCPOFFER on 10.1.0.144 
> to 00:16:3e:aa:bb:dd via eth0
> 
> But there is no DHCPACK. CentOS then quits and asks, if i 
> want to setup the network manually. I enter the IP, Netmask, 
> Gate, DNS correctly, but the domU gets no access to the 
> network, instead, the installer tries to get an IP from the 
> Dom0 via DHCP.
> 
> Is this a bug in CentOS 5.2 or does Xen only work with 
> dnsmasq and totally ignore entered FIXED IPs?
> 
> sorry for my bad english, i hope you understand everything. 
> if not, i can add extra info.

Probably the admin in charge of dom0 didn't setup either the
domU interface or the iptables in dom0 properly.

-Ross

______________________________________________________________________
This e-mail, and any attachments thereto, is intended only for use by
the addressee(s) named herein and may contain legally privileged
and/or confidential information. If you are not the intended recipient
of this e-mail, you are hereby notified that any dissemination,
distribution or copying of this e-mail, and any attachments thereto,
is strictly prohibited. If you have received this e-mail in error,
please immediately notify the sender and permanently delete the
original and any copy or printout thereof.


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users