[Xen-bugs] [Bug 632] New: Network interface not available in domU

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=632

           Summary: Network interface not available in domU
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: Benjamin.Carleski@xxxxxxxxxxxxxxxxx


I am running Xen 3.0.2.  I am able to boot into Xen, and can use the network
fine from dom0, but when I create a domU, there is no network set up.  I have
not modified the network-bridge, vif-bridge, or xend-config.sxp.  I am using
the following configuration file for domU

--------------------------------------------------------
#  -*- mode: python; -*-
kernel = "/boot/vmlinuz-xen"
ramdisk = "/boot/initrd-xen"
memory = 1984
name = "ISPECTRUMUI2"
vcpus = 2

disk = [ 'phy:vg01/vserver2,sda1,w' ]
vif = [ '' ]
#dhcp="dhcp"
ip="192.168.253.232"
netmask="255.255.255.0"
gateway="192.168.253.164"
hostname= "ispectrum-ui2"

root = "/dev/sda1"
extra ="3"
--------------------------------------------------------

When I start the domain, I receive the following boot messages (abbreviated):
--------------------------------------------------------
Bootdata ok (command line is 
ip=192.168.253.232:1.2.3.4:192.168.253.164:255.255.255.0:ispectrum-ui2:eth0:off
root=/dev/sda1 3)
Kernel command line: 
ip=192.168.253.232:1.2.3.4:192.168.253.164:255.255.255.0:ispectrum-ui2:eth0:off
root=/dev/sda1 3
NET: Registered protocol family 16
netfront: Initialising virtual ethernet driver.
NET: Registered protocol family 2
IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
TCP: Hash tables configured (established 262144 bind 65536)
TCP reno registered
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Setting up hostname 'ispectrum-ui2'                                   done
Setting up loopback interface     lo
    lo        IP address: 127.0.0.1/8
                                                                      done
Setting current sysctl status from /etc/sysctl.conf
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.conf.all.rp_filter = 1
                                                                      done
Enabling syn flood protection                                         done
Disabling IP forwarding                                               done
                                                                      done
NET: Registered protocol family 10
Welcome to SUSE LINUX 10.0 (X86-64) - Kernel 2.6.16-xen (tty1).
--------------------------------------------------------


When I run ifconfig and try to ping, these are the results I get:
--------------------------------------------------------
ispectrum-ui2:~ # ping 192.168.253.230
connect: Network is unreachable
ispectrum-ui2:~ # ifconfig
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
--------------------------------------------------------


I need help on how to configure this system so that I can get a working network
in the domU's.


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