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
running this on a SuSE 10 install, with all the updates from Yast Online
Updates installed. The SuSE kernel is 2.6.13-15.8-smp. When I try to
install Xen using the SuSE packages, I get a hypervisor error anytime I
start up our Java application. When I submitted a bug report for this, I
was told that it was a known bug that was fixed in Xen 3.0.2. I then tried
applying 3.0.2 on top of my current SuSE install, and was not able to access
the network from within the domU. I could access the network just fine from
dom0 however. I then tried a fresh install of SuSE 10, without any SuSE Xen
packages. I did the YOU update just like before, and then installed 3.0.2
on top of that. Same problem, I could create a domU, and boot fine into it,
but I couldn't access the network from within the domU, and could access it
fine from the dom0.
I am using the following configuration file for domU. I have tried both
explicitly specifying the MAC address and bridge in the vif command, as well
as shown below.
---------------------------
--------------------------------------------------------
----------------------------------------------------------------------------
# -*- 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 from within the domU, 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 get the following messages when checking the network status from dom0
---------------------------
----------------------------------------------------------
----------------------------------------------------------------------------
peterrabbit:~ # xm vnet-list
Error: method "xend_vnets" is not supported
peterrabbit:~ # /etc/xen/scripts/network-bridge status
============================================================
3: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
link/ether 00:14:22:b1:7f:6e brd ff:ff:ff:ff:ff:ff
inet 192.168.253.230/24 brd 192.168.253.255 scope global eth0
inet6 fe80::214:22ff:feb1:7f6e/64 scope link
valid_lft forever preferred_lft forever
21: xenbr0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
inet6 fe80::200:ff:fe00:0/64 scope link
valid_lft forever preferred_lft forever
bridge name bridge id STP enabled interfaces
xenbr0 8000.feffffffffff no vif0.0
peth0
vif2.0
192.168.253.0/24 dev eth0 proto kernel scope link src 192.168.253.230
169.254.0.0/16 dev eth0 scope link
127.0.0.0/8 dev lo scope link
default via 192.168.253.164 dev eth0
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.253.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.253.164 0.0.0.0 UG 0 0 0 eth0
============================================================
peterrabbit:~ # ifconfig
eth0 Link encap:Ethernet HWaddr 00:14:22:B1:7F:6E
inet addr:192.168.253.230 Bcast:192.168.253.255
Mask:255.255.255.0
inet6 addr: fe80::214:22ff:feb1:7f6e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4274 errors:0 dropped:0 overruns:0 frame:0
TX packets:971 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:293432 (286.5 Kb) TX bytes:117711 (114.9 Kb)
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)
peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:4258 errors:0 dropped:0 overruns:0 frame:0
TX packets:970 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:311993 (304.6 Kb) TX bytes:121645 (118.7 Kb)
Base address:0xdcc0 Memory:fe7e0000-fe800000
vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:971 errors:0 dropped:0 overruns:0 frame:0
TX packets:4278 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:117711 (114.9 Kb) TX bytes:293740 (286.8 Kb)
vif2.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:3578 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3306 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:166399 (162.4 Kb) TX bytes:468 (468.0 b)
----------------------------------------------------------------------------
--------------------------------------------------------
---------------------------
Benjamin R. Carleski
Software Engineer
Summit Information Systems
541.758.5899 x6240
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