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xen-devel
RE: [Xen-devel] BUG? domu network interface configuration
On Wed, 2005-08-31 at 10:00 -0500, Hien Nguyen wrote:
> Ian,
> I had the same problem, and the things worked OK when it went back to
> vif-bridge.
>
> Hien Nguyen
>
>
>> Can you elaborate on that for the less versed?
>> Regards,
>> Ted
I startded dom0 with the default of bridge using. Then I created domU
using filebacked VBD and static ip address. Network communication between
dom0 and domU worked fine. It also worked with outside world.
But if I started dom0 using route, dom0 can communicate with outside
world. Then I created the same domU above with the same static ip address.
domU couldn't talk to anyone.
Here are network info on dom0 and domU:
dom0:
====
x335-hien2:/etc/sysconfig/network # ip addr list
1: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:11:25:3e:0c:66 brd ff:ff:ff:ff:ff:ff
inet 9.3.189.226/24 brd 9.3.189.255 scope global eth0
inet6 fe80::211:25ff:fe3e:c66/64 scope link
valid_lft forever preferred_lft forever
2: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
link/ether 00:11:25:3e:0c:67 brd ff:ff:ff:ff:ff:ff
3: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
4: vif0.0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
5: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
6: sit0: <NOARP> mtu 1480 qdisc noqueue
link/sit 0.0.0.0 brd 0.0.0.0
7: vif1.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
inet 169.254.1.0/32 brd 169.254.255.255 scope global vif1.0
inet6 fe80::fcff:ffff:feff:ffff/64 scope link
valid_lft forever preferred_lft forever
x335-hien2:/etc/sysconfig/network # ip route list
9.3.189.241 dev vif1.0 scope link src 9.3.189.226
9.3.189.0/24 dev eth0 proto kernel scope link src 9.3.189.226
169.254.0.0/16 dev eth0 scope link
127.0.0.0/8 dev lo scope link
default via 9.3.189.1 dev eth0
x335-hien2:/etc/sysconfig/network # ifconfig
eth0 Link encap:Ethernet HWaddr 00:11:25:3E:0C:66
inet addr:9.3.189.226 Bcast:9.3.189.255 Mask:255.255.255.0
inet6 addr: fe80::211:25ff:fe3e:c66/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15504 errors:0 dropped:0 overruns:0 frame:0
TX packets:2787 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1715230 (1.6 Mb) TX bytes:493255 (481.6 Kb)
Interrupt:24
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:174 errors:0 dropped:0 overruns:0 frame:0
TX packets:174 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:17926 (17.5 Kb) TX bytes:17926 (17.5 Kb)
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr:169.254.1.0 Bcast:169.254.255.255
Mask:255.255.255.255
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:68 errors:0 dropped:0 overruns:0 frame:0
TX packets:10 errors:0 dropped:5 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:5128 (5.0 Kb) TX bytes:420 (420.0 b)
x335-hien2:/etc/sysconfig/network # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
9.3.189.241 0.0.0.0 255.255.255.255 UH 0 0 0
vif1.0
9.3.189.0 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 9.3.189.1 0.0.0.0 UG 0 0 0
eth0
------------
domU:
====
x335-sles9-vm1:/etc/sysconfig/network # ip addr list
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: vif0.0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
3: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
4: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether aa:00:00:17:12:6e brd ff:ff:ff:ff:ff:ff
inet 9.3.189.241/24 brd 9.3.189.255 scope global eth0
inet6 fe80::a800:ff:fe17:126e/64 scope link
valid_lft forever preferred_lft forever
5: sit0: <NOARP> mtu 1480 qdisc noqueue
link/sit 0.0.0.0 brd 0.0.0.0
x335-sles9-vm1:/etc/sysconfig/network # ip route list
9.3.189.0/24 dev eth0 proto kernel scope link src 9.3.189.241
169.254.0.0/16 dev eth0 scope link
127.0.0.0/8 dev lo scope link
default via 9.3.189.1 dev eth0
x335-sles9-vm1:/etc/sysconfig/network # ifconfig
eth0 Link encap:Ethernet HWaddr AA:00:00:17:12:6E
inet addr:9.3.189.241 Bcast:9.3.189.255 Mask:255.255.255.0
inet6 addr: fe80::a800:ff:fe17:126e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:84 (84.0 b) TX bytes:914 (914.0 b)
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:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:658 (658.0 b) TX bytes:658 (658.0 b)
x335-sles9-vm1:/etc/sysconfig/network # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
9.3.189.0 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 9.3.189.1 0.0.0.0 UG 0 0 0
eth0
Regards,
Hien Nguyen
Linux Technology Center AUSTIN
Phone: (512) 838-4140 Tie Line: 678-4140
e-mail: hien1@xxxxxxxxxx
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