Re: [Xen-users] Problem with bridged network

[Andrey Ovcharov <andrew.ovcharov@xxxxxxxxx>]

dom0:

# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:24:21:EF:30:68
         inet addr:188.40.117.2  Bcast:188.40.117.63  Mask:255.255.255.255
         inet6 addr: fe80::224:21ff:feef:3068/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:15 errors:0 dropped:0 overruns:0 frame:0
         TX packets:37 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:1318 (1.2 KiB)  TX bytes:7197 (7.0 KiB)

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  MTU:1500  Metric:1
         RX packets:12429 errors:0 dropped:0 overruns:0 frame:0
         TX packets:11193 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:914348 (892.9 KiB)  TX bytes:1344996 (1.2 MiB)
         Interrupt:249 Base address:0xc000

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 NOARP  MTU:1500  Metric:1
         RX packets:39 errors:0 dropped:0 overruns:0 frame:0
         TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:7521 (7.3 KiB)  TX bytes:1318 (1.2 KiB)

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:30 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:0 (0.0 b)  TX bytes:8356 (8.1 KiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
         RX packets:24 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:5415 (5.2 KiB)  TX bytes:0 (0.0 b)

# brctl show
bridge name     bridge id               STP enabled     interfaces
virbr0          8000.000000000000       yes
xenbr0          8000.feffffffffff       no              peth0
                                                       vif0.0

# cat centos
bootloader = "/usr/bin/pygrub"
memory = 256
name = "centos"
vif  = [ 'bridge=xenbr0' ]
disk = ['file:/srv/vm/centos.5-3.x86-64.img,sda1,w',
'file:/srv/vm/swap512.img,sda2,w']
root = "/dev/sda1"
extra = "fastboot"

And on domU:

# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
#BOOTPROTO=dhcp
BOOTPROTO=static
ONBOOT=yes
TYPE=Ethernet
IPADDR=188.40.117.56
NETMASK=255.255.255.255

# netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 eth0

With best wishes, Andrew Ovcharov
(andrew.ovcharov@xxxxxxxxx)




On Thu, Oct 1, 2009 at 00:39, Grant McWilliams
<grantmasterflash@xxxxxxxxx> wrote:
> n Wed, Sep 30, 2009 at 12:57 PM, Andrew Ovcharov <andrew.ovcharov@xxxxxxxxx>
> wrote:
>>
>> Hello!
>>
>> I've got CentOS 5.3 x64 as dom0 and the same OS for domU. I've installed
>> it using the following manual: http://www.howtoforge.com/centos_5.0_xen
>> Guest image was taken from stacklet.com
>> Unfortunately, I can't make domU working with public static IP.
>> When I use bridged networking, the guest don't have network connection at
>> all.
>> When I use routed networking, the guest does not even start.
>> Virtual network works just fine, but I need to use public static IP given
>> by ISP.
>> Two days of google did not help at all.
>>
>> With best regards, Andrew
>>
>
> Can you give us some information:
>
>
> Output of ifconfig
> Output of brctl show
> Contents of the DomU config file
>
> Thanks
>
> Grant McWilliams
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.
>

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