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Re: [Xen-devel] Networking in Xen

  • To: "Apparao, Padmashree K" <padmashree.k.apparao@xxxxxxxxx>
  • From: "Girish V" <girish.xen@xxxxxxxxx>
  • Date: Tue, 6 May 2008 13:54:52 -0400
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 06 May 2008 10:55:14 -0700
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brctl from dom0 shows
---------------------------------------------------------------------------------------------
bridge name     bridge id          STP enabled     interfaces
xenbr0             8000.feffffffffff     no                    peth0
                                                                      vif0.0
                                                                      vif2.0
---------------------------------------------------------------------------------------------

config file
---------------------------------------------------------------------------------------------
kernel = "/boot/vmlinuz-2.6-xen"
memory = 64
name = "domu"
vif = ['ip=10.10.0.14']
disk = [ 'file:/domu.img,hda1,w' ]
root = "/dev/hda1"
---------------------------------------------------------------------------------------------

Thanks.


On Tue, May 6, 2008 at 12:48 PM, Apparao, Padmashree K
<padmashree.k.apparao@xxxxxxxxx> wrote:
> Can you send the "brctl show" output and also the config file for the
>  domu creation
>
>  Thanks
>  -Padma
>
>
>
>
>  -----Original Message-----
>  From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>  [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Girish V
>  Sent: Tuesday, May 06, 2008 8:50 AM
>  To: xen-devel@xxxxxxxxxxxxxxxxxxx
>  Subject: [Xen-devel] Networking in Xen
>
>  Hello,
>
>  I have computer which is not connected to the internet (its eth0 is
>  assigned 10.10.0.13 statically and is UP). I am running Xen 3.0.2 on
>  it.
>
>  I want my domU to be able to ping the dom0 and vice versa (I am
>  assigning 10.10.0.14 to the domU).
>
>  I tried a bridged connection, but when I tried to ping 10.10.0.13 from
>  the domU I get the message "connect: Network is unreachable". When I
>  pinged the domU from dom0 I got "Destination Host Unreachable"
>
>
>  What sort of a networking should I set up to achieve this? (I have
>  shown ifconfig, route and iptabes below).
>
>  Any help is appreciated
>
>  Thanks,
>  Girish
>
>
>  my ifconfig from dom0 looks like
>  ----------------------------------------------------
>  eth0 Link encap:Ethernet HWaddr 10:10:10:10:10:26
>   inet addr:10.10.0.13 Bcast:0.0.0.0 Mask:255.255.255.0
>   UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>   RX packets:26 errors:0 dropped:0 overruns:0 frame:0
>   TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
>   collisions:0 txqueuelen:0
>   RX bytes:2270 (2.2 KiB) TX bytes:1468 (1.4 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 KiB) TX bytes:0 (0.0 KiB)
>
>  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:15 errors:2 dropped:0 overruns:0 frame:0
>   TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
>   collisions:0 txqueuelen:1000
>   RX bytes:2483 (2.4 KiB) TX bytes:4137 (4.0 KiB)
>  Interrupt:10Base address:0x3080
>
>  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:12 errors:0 dropped:0 overruns:0 frame:0
>   TX packets:31 errors:0 dropped:0 overruns:0 carrier:0
>   collisions:0 txqueuelen:0
>   RX bytes:1468 (1.4 KiB) TX bytes:2668 (2.6 KiB)
>
>  vif2.0 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:15 errors:0 dropped:0 overruns:0 frame:0
>   TX packets:1 errors:0 dropped:203 overruns:0 carrier:0
>   collisions:0 txqueuelen:0
>   RX bytes:846 (846.0 b) TX bytes:42 (42.0 b)
>
>  xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
>   inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
>   UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
>   RX packets:208 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:860 (860.0 b) TX bytes:468 (468.0 b)
>  ---------------------------------------------------------------------
>  route on dom0 shows
>  -----------------------------------------------------------------------
>  Kernel IP routing table
>
>  Destination     Gateway         Genmask         Flags Metric Ref    Use
>  Iface
>  10.10.0.0       *               255.255.255.0         U       0
>   0        0   eth0
>  default           10.10.0.1  0.0.0.0                    UG     0
>   0        0   eth0
>  ------------------------------------------------------------------------
>  -
>
>  iptables -L on dom0 shows
>  ---------------------------------------------------------------------
>  Chain INPUT (policy ACCEPT)
>  target     prot opt source               destination
>
>  Chain FORWARD (policy ACCEPT)
>  target     prot opt source               destination
>  ACCEPT  all    --  10.10.0.13          anywhere            PHYSDEV
>  match --physdev-in vif2.0
>  ACCEPT     udp  --  anywhere             anywhere            PHYSDEV
>  match --physdev-in vif2.0 udp spt:bootpc dpt:bootps
>
>  Chain OUTPUT (policy ACCEPT)
>  target     prot opt source               destination
>  ---------------------------------------------------------------------
>
>  ifconfig on domU shows
>  ---------------------------------------------------------------------
>  eth0      Link encap:Ethernet  HWaddr 00:16:3E:3D:D5:18
>          inet addr:10.10.0.14  Bcast:10.10.0..255  Mask:255.255.255.0
>          inet6 addr: fe80::216:3eff:fe3d:d518/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:42 (42.0 b)  TX bytes:846 (846.0 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:108 errors:0 dropped:0 overruns:0 frame:0
>   TX packets:108 errors:0 dropped:0 overruns:0 carrier:0
>   collisions:0 txqueuelen:0
>   RX bytes:7884 (7.6 KiB) TX bytes:7884 (7.6 KiB)
>  ---------------------------------------------------------------------
>
>  route on domU shows
>  -----------------------------------------------------------------------
>  Kernel IP routing table
>
>  Destination     Gateway         Genmask         Flags Metric Ref    Use
>  Iface
>  10.10.10.0       *               255.255.255.0        U      0
>  0        0   eth0
>  169.254.0.0      *               255.255.0.0           U      0
>   0        0   eth0
>  ------------------------------------------------------------------------
>  -
>
>  _______________________________________________
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>  Xen-devel@xxxxxxxxxxxxxxxxxxx
>  http://lists.xensource.com/xen-devel
>

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