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Re: [Xen-users] Xen networking newbie

From: Henrik Andersson <henrik.j.andersson@xxxxxxxxx>

Date: Fri, 4 Feb 2011 17:18:24 +0200

Delivery-date: Fri, 04 Feb 2011 07:19:17 -0800

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List-id: Xen user discussion <xen-users.lists.xensource.com>

The IP you get? Where do you get it? From DHCP or from windows?

You do know that xen only gives mac address for the virtual ethernet adapter? You need to either configure IP-address manually or have dhcp enabled on the virtual machine for it to get/have ip address. Also you need to have dhcp server on the network for it (dhcp) to work.

I dont know what you mean by "is there a way that the the guest OS belong to the same network? so they can be communicate easily?" but you can assign any ip address to virtual host, xen doesn't mind. If routing works/they are on the same network, everything should work just as it would with non virtualized servers.

On 4 February 2011 16:49, Emir Sosa <emir@xxxxxxxxxxxxxx> wrote:

ok so i have centos installed configured with xen...installation went smooth.

the centOS is on 192.168.1.1/24 network

i managed to install windows server 2003 but the ip i get is 192.168.122.187 /24

this is what i get from ifconfig

eth0      Link encap:Ethernet HWaddr 44:87:FC:55:23:49
          inet addr:192.168.1.92 Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: fe80::4687:fcff:fe55:2349/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:98604 errors:0 dropped:0 overruns:0 frame:0
          TX packets:44980 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:52446958 (50.0 MiB) TX bytes:10128161 (9.6 MiB)

virbr0    Link encap:Ethernet HWaddr 72:3E:16:81:25:6D
          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:594 errors:0 dropped:0 overruns:0 frame:0
          TX packets:213 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:89471 (87.3 KiB) TX bytes:31046 (30.3 KiB)

and other stuff

but the thing is the windows server can ping the 192.168.1.1 but devices on 192.168.1.0 cant ping the 192.168.122.0(cuase they dont know of this network)

is there a way that the the guest OS belong to the same network? so they can be communicate easily?

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