Re: [Xen-users] invalid network interface after starting xend

[Ted Kaczmarek <tedkaz@xxxxxxxxxxxxx>]

On Tue, 2005-09-27 at 15:44 +0200, Stephan BÃni wrote:
> Before starting xend (xen 3.0) these are my correct network interfaces:
> 
> eth0      Link encap:Ethernet  HWaddr 00:14:5E:0A:53:04
>           inet addr:192.168.1.51  Bcast:192.168.1.255  Mask:255.255.255.0
>  
> eth1      Link encap:Ethernet  HWaddr 00:14:5E:0A:53:05
>           inet addr:192.168.1.52  Bcast:192.168.1.255  Mask:255.255.255.0
>  
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
> 
> After starting xend i have some ungly interfaces:
> 
> eth1      Link encap:Ethernet  HWaddr 00:14:5E:0A:53:05
>           inet addr:192.168.1.52  Bcast:192.168.1.255  Mask:255.255.255.0
>  
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>  
> peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
>  
> vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>  
> xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> 
> Where is going my eth0 interface? And what is this funny peth0 interface with 
> this wrong mac address?
> 
> Thanks for your help.
> 
> Stephan
> 
I have been seeing similar issues as well, trying to use more than 1 nic
on a domU with unstable has not been possible for me. If you really want
to crash a domU quick, try to add a vlan to your dom0 and domU share on
a second nic :-)

>From what I have observed you also can't bring a new interface online
after xend has started as well. Meaning add a new ethernet to dom0 than
try to get a domU interface to bridge to it.

What makes you think the peth0 has the wrong mac address? 

On my unstable

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 MULTICAST  MTU:1500  Metric:1
          RX packets:382176 errors:0 dropped:0 overruns:0 frame:0
          TX packets:359951 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:290578836 (277.1 MiB)  TX bytes:194010196 (185.0 MiB)
          Interrupt:18 Base address:0x1c00

[root@inyoureyes mail]# brctl show
bridge name     bridge id               STP enabled     interfaces
xen-br0         8000.feffffffffff       no              peth0
                                                        vif0.0
                                                        vif1.1
                                                        vif2.1
                                                        vif3.1
                                                        vif4.1
                                                        vif5.1
                                                        vif6.1
                                                        vif8.1

Regards,
Ted





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