* How to connect to the Internet in pv DomU
@ 2010-09-28 6:53 Bei Guan
2010-09-29 4:21 ` Bei Guan
0 siblings, 1 reply; 3+ messages in thread
From: Bei Guan @ 2010-09-28 6:53 UTC (permalink / raw)
To: xen devel
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Hi,
I using pv ubuntu as DomU and my xen is 4.0.0. I can boot the DomU
successfully, but I can not access to internet in DomU. Event I ping the
Dom0 and it show "Network is unreachable". So how can I access to internet
in the pv domU and how can I ping the dom0 successfully? Some information is
as following.
DomU configure file
============
kernel = "/boot/vmlinuz-2.6.18.8-xen"
memory = "256"
name = "ubuntu.9-04"
vif = ['']
dhcp = "dhcp"
disk = ['file:/root/Xen/img/ubuntu-32/ubuntu.9-04.x86.img,sda1,w']
root = "/dev/sda1 ro"
Execute the command "ifconfig" in DomU.
============
root@ubuntu:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:16:3e:56:f7:68
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:166 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:10991 (10.9 KB) TX bytes:1368 (1.3 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
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)
Execute the command "ifconfig" in Dom0. (My DomU id is 8. )
============
[root@medmgmt-183 test1]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:24:E8:39:FA:54
inet addr:192.192.192.183 Bcast:192.192.192.255
Mask:255.255.255.0
inet6 addr: fe80::224:e8ff:fe39:fa54/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:241196 errors:0 dropped:0 overruns:0 frame:0
TX packets:24951 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:36847837 (35.1 MiB) TX bytes:3294724 (3.1 MiB)
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:7738 errors:0 dropped:0 overruns:0 frame:0
TX packets:7738 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4416210 (4.2 MiB) TX bytes:4416210 (4.2 MiB)
peth0 Link encap:Ethernet HWaddr 00:24:E8:39:FA:54
inet addr:192.168.1.129 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::224:e8ff:fe39:fa54/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:254748 errors:0 dropped:0 overruns:0 frame:0
TX packets:26527 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:41250765 (39.3 MiB) TX bytes:3426922 (3.2 MiB)
Memory:fe6e0000-fe700000
vif8.0 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:22 overruns:0 carrier:0
collisions:0 txqueuelen:32
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
virbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:29 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:5379 (5.2 KiB)
Execute the command "ping 192.168.1.129" in DomU. (My Dom0's IP is
192.168.1.129. )
============
root@ubuntu:~# ping 192.168.1.20
connect: Network is unreachable
Anyone can help me? Thank you very much!
Gavin
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: How to connect to the Internet in pv DomU
2010-09-28 6:53 How to connect to the Internet in pv DomU Bei Guan
@ 2010-09-29 4:21 ` Bei Guan
2010-09-29 16:07 ` Jeremy Fitzhardinge
0 siblings, 1 reply; 3+ messages in thread
From: Bei Guan @ 2010-09-29 4:21 UTC (permalink / raw)
To: xen devel
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I got it.
I just set the vif=['bridge=virbr0'] in the DomU configure file. And then,
I can ping the dom0 successfully from DomU. I also can access to the
internet from DomU. On my computer it is bridge=virbr0, but I think you also
can try bridge=xenbr0 on your computer.
However, I have another question.
I cannot not assign the DomU ip address in its configure file. For example,
vif=['ip=192.168.122.20, bridge=virbr0'] does not work and my DomU‘s IP is
assigned through the dhcp, that is 192.168.122.192. (My virbr0's IP is
192.168.122.1)
So how can I assign IP to the DomU?
Mini-OS can also boot as a pv DomU. But how can i know its IP info if I set
vif in its configure file?
Thank you!
Gavin
2010/9/28 Bei Guan <gbtju85@gmail.com>
> Hi,
>
> I using pv ubuntu as DomU and my xen is 4.0.0. I can boot the DomU
> successfully, but I can not access to internet in DomU. Event I ping the
> Dom0 and it show "Network is unreachable". So how can I access to internet
> in the pv domU and how can I ping the dom0 successfully? Some information is
> as following.
>
>
> DomU configure file
> ============
> kernel = "/boot/vmlinuz-2.6.18.8-xen"
> memory = "256"
> name = "ubuntu.9-04"
> vif = ['']
> dhcp = "dhcp"
> disk = ['file:/root/Xen/img/ubuntu-32/ubuntu.9-04.x86.img,sda1,w']
> root = "/dev/sda1 ro"
>
>
> Execute the command "ifconfig" in DomU.
> ============
> root@ubuntu:~# ifconfig
> eth0 Link encap:Ethernet HWaddr 00:16:3e:56:f7:68
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:166 errors:0 dropped:0 overruns:0 frame:0
> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:10991 (10.9 KB) TX bytes:1368 (1.3 KB)
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> 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)
>
>
> Execute the command "ifconfig" in Dom0. (My DomU id is 8. )
> ============
> [root@medmgmt-183 test1]# ifconfig
> eth0 Link encap:Ethernet HWaddr 00:24:E8:39:FA:54
> inet addr:192.192.192.183 Bcast:192.192.192.255
> Mask:255.255.255.0
> inet6 addr: fe80::224:e8ff:fe39:fa54/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:241196 errors:0 dropped:0 overruns:0 frame:0
> TX packets:24951 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:36847837 (35.1 MiB) TX bytes:3294724 (3.1 MiB)
>
> 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:7738 errors:0 dropped:0 overruns:0 frame:0
> TX packets:7738 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:4416210 (4.2 MiB) TX bytes:4416210 (4.2 MiB)
>
> peth0 Link encap:Ethernet HWaddr 00:24:E8:39:FA:54
> inet addr:192.168.1.129 Bcast:192.168.1.255 Mask:255.255.255.0
> inet6 addr: fe80::224:e8ff:fe39:fa54/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:254748 errors:0 dropped:0 overruns:0 frame:0
> TX packets:26527 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:100
> RX bytes:41250765 (39.3 MiB) TX bytes:3426922 (3.2 MiB)
> Memory:fe6e0000-fe700000
>
> vif8.0 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:22 overruns:0 carrier:0
> collisions:0 txqueuelen:32
> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
>
> virbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
> inet addr:192.168.122.1 Bcast:192.168.122.255
> Mask:255.255.255.0
> inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:29 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:0 (0.0 b) TX bytes:5379 (5.2 KiB)
>
>
>
> Execute the command "ping 192.168.1.129" in DomU. (My Dom0's IP is
> 192.168.1.129. )
> ============
> root@ubuntu:~# ping 192.168.1.20
> connect: Network is unreachable
>
>
>
> Anyone can help me? Thank you very much!
>
> Gavin
>
>
>
>
>
>
>
>
>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Re: How to connect to the Internet in pv DomU
2010-09-29 4:21 ` Bei Guan
@ 2010-09-29 16:07 ` Jeremy Fitzhardinge
0 siblings, 0 replies; 3+ messages in thread
From: Jeremy Fitzhardinge @ 2010-09-29 16:07 UTC (permalink / raw)
To: Bei Guan; +Cc: xen devel
On 09/28/2010 09:21 PM, Bei Guan wrote:
> I got it.
> I just set the vif=['bridge=virbr0'] in the DomU configure file. And
> then, I can ping the dom0 successfully from DomU. I also can access to
> the internet from DomU. On my computer it is bridge=virbr0, but I
> think you also can try bridge=xenbr0 on your computer.
>
> However, I have another question.
>
> I cannot not assign the DomU ip address in its configure file. For
> example, vif=['ip=192.168.122.20, bridge=virbr0'] does not work and my
> DomU‘s IP is assigned through the dhcp, that is 192.168.122.192. (My
> virbr0's IP is 192.168.122.1)
> So how can I assign IP to the DomU?
IP addresses are something that machines - virtual or physical - set for
themselves. It might be statically configured, or it might be from a
dhcp server, but either way the domain itself needs to do the setting.
I guess in principle dom0 could stick the ip address into xenstore and
the domU could fetch it from there, but AFAIK there's no mechanism to do
that.
J
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-09-28 6:53 How to connect to the Internet in pv DomU Bei Guan
2010-09-29 4:21 ` Bei Guan
2010-09-29 16:07 ` Jeremy Fitzhardinge
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