[Xen-devel] How to connect to the Internet in pv DomU

[Bei Guan <gbtju85@xxxxxxxxx>]

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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