[Xen-users] HVM network troubles

["pradeep singh rautela" <rautelap@xxxxxxxxx>]

Hi All,

This is a really strange behaviour on my Xen machine.
I have installed ubuntu HVM on a gutsy domain0 using
debootstrap.Reason for using debootstrap is that my Core 2 Duo machine
is unable to boot off ubuntu iso(s).So i used debootstrap for
installation.

I am facing some troubles with networking in HVM domainU.

1. The ethernet interface in domainU gets renamed everytime HVM
reboots or is booted again to ethX, where X is incremented every
reboot.
2. Second even if i manually assign IP address, gateway and dns
servers in HVM domain and restart the networking in domainU, i cannot
ping anyone except me.

FWIW, o/p of brctl show in domain0 is

luser@eagain:~$ brctl show
bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.8a9591b9f217       no              tap0
                                                        vif6.0
xenbr100                8000.000000000000       no

BTW what is xenbr100 here??

xm list shows,

luser@eagain:~$ sudo xm list
[sudo] password for luser:
Name                                      ID   Mem VCPUs      State   Time(s)
Domain-0                                   0   772     2     r-----    872.7
gutsy                                      6   128     1     -b----     23.9

ifconfig in domain0 shows,

luser@eagain:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:19:D1:9F:C8:96
          inet addr:10.100.207.40  Bcast:10.100.207.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:193647 errors:0 dropped:0 overruns:0 frame:0
          TX packets:115633 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:91138307 (86.9 MB)  TX bytes:10246036 (9.7 MB)
          Base address:0x20c0 Memory:50200000-50220000

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:38164 errors:0 dropped:0 overruns:0 frame:0
          TX packets:38164 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:11343712 (10.8 MB)  TX bytes:11343712 (10.8 MB)

tap0      Link encap:Ethernet  HWaddr 8A:95:91:B9:F2:17
          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:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

vif6.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP  MTU:1500  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:32
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

xenbr0    Link encap:Ethernet  HWaddr 8A:95:91:B9:F2:17
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2592 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:172861 (168.8 KB)  TX bytes:0 (0.0 b)

xenbr100  Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          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:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

Also, i have assigned same class IP address to HVM domain viz
10.100.207.199 . Still i cannot ping gateway or domain0.
Neither is domain0 able to ping HVM domain.

Normal networking works fine in domain0.

Did anyone land into this trouble?
Where should i start looking to get a solution?
Any help or pointers will be greatly appreciated.

Thanks,
          Pradeep
-- 
--
pradeep singh rautela
http://eagain.wordpress.com
http://emptydomain.googlepages.com

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