WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 		  
Home Products Support Community News
 
   
 

xen-devel

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

RE: [Xen-devel] Networking problems at xend start

from [Ian Pratt] [Permanent Link][Original]
To: "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Networking problems at xend start
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 30 Aug 2005 03:20:16 +0100
Cc: "Magolan, John F" <John.Magolan@xxxxxxxxxx>, "Davis, Jason" <jason.davis@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx>, "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
Delivery-date: Tue, 30 Aug 2005 02:18:23 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcWqg/3LR8HdTMgaR6WyGZxFgRAn2gChSBkQ
Thread-topic: [Xen-devel] Networking problems at xend start 
> I am noticing that when I bring up xend on a machine with 2 
> ethernet cards, Dom 0 loses networking. I can still see the 
> machine from within the subnet it belongs to, but it has no 
> visibility outside.

How do you normally get the default gateway in your setup? Is it
specified in one of the ifcfg-eth[01] files, or in
/etc/sysconfig/network ?

Without starting xend, what happens if you do "ifdown eth0; ifup eth0".
My guess is you'll loose the default route.

Ian

> The machine has a Dell 82545M Gigabit Ethernet controller set 
> up as eth0 and an intel Etherexpress pro 100 server adapter 
> set up as eth1.
> 
> I have included the ifconfig output before and after xend start.
> I have also included netstat-rn output with and without the 
> intel eepro100 
> 
> I don't see any messages on the serial output.
> 
> Is any one else seeing similar problems?
> 
> Raj
> 
> ---------------ifconfig before xend start
> 
> eth0      Link encap:Ethernet  HWaddr 00:0F:1F:8D:00:72  
>           inet addr:192.63.245.69  Bcast:192.63.245.255 
> Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500 
>  Metric:1
>           RX packets:9160 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:14957 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:603281 (589.1 Kb)  TX bytes:20736627 (19.7 Mb)
>           Base address:0xdcc0 Memory:dfee0000-dff00000 
> 
> eth1      Link encap:Ethernet  HWaddr 00:90:27:B6:9D:02  
>           inet addr:192.63.245.56  Bcast:192.63.245.255 
> Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500 
>  Metric:1
>           RX packets:397 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:36956 (36.0 Kb)  TX bytes:692 (692.0 b)
> 
> 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:15195 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:15195 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:8895385 (8.4 Mb)  TX bytes:8895385 (8.4 Mb)
> 
> ----------------ifconfig after xend start
> eth0      Link encap:Ethernet  HWaddr 00:0F:1F:8D:00:72  
>           inet addr:192.63.245.69  Bcast:192.63.245.255 
> Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500 
>  Metric:1
>           RX packets:78 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:6102 (5.9 Kb)  TX bytes:1240 (1.2 Kb)
> 
> eth1      Link encap:Ethernet  HWaddr 00:90:27:B6:9D:02  
>           inet addr:192.63.245.56  Bcast:192.63.245.255 
> Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500 
>  Metric:1
>           RX packets:1423 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:1368 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:101651 (99.2 Kb)  TX bytes:1677335 (1.5 Mb)
> 
> 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:20951 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:20951 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:10742785 (10.2 Mb)  TX bytes:10742785 (10.2 Mb)
> 
> peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
>           RX packets:9855 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:15814 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:651133 (635.8 Kb)  TX bytes:21623556 (20.6 Mb)
>           Base address:0xdcc0 Memory:dfee0000-dff00000 
> 
> vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:78 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:1240 (1.2 Kb)  TX bytes:6102 (5.9 Kb)
> 
> xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:77 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:5712 (5.5 Kb)  TX bytes:0 (0.0 b)
> 
> 
> ----------ifconfig after xend start with only 1 nic
> 
> eth0      Link encap:Ethernet  HWaddr 00:0F:1F:8D:00:72  
>           inet addr:192.63.245.69  Bcast:192.63.245.255 
> Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500 
>  Metric:1
>           RX packets:297 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:297 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:20561 (20.0 Kb)  TX bytes:171020 (167.0 Kb)
> 
> 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:14715 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:14715 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:8830936 (8.4 Mb)  TX bytes:8830936 (8.4 Mb)
> 
> peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
>           RX packets:9883 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:17040 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:709060 (692.4 Kb)  TX bytes:24438245 (23.3 Mb)
>           Base address:0xdcc0 Memory:dfee0000-dff00000 
> 
> vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:297 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:297 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:171020 (167.0 Kb)  TX bytes:20561 (20.0 Kb)
> 
> xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:66 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:6148 (6.0 Kb)  TX bytes:0 (0.0 b)
> 
> 
> ---------------Netstat with 2 ethernet cards before xend starts
> 
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS 
> Window  irtt
> Iface
> 192.63.245.0    0.0.0.0         255.255.255.0   U         0 0 
>          0
> eth0
> 192.63.245.0    0.0.0.0         255.255.255.0   U         0 0 
>          0
> eth1
> 169.254.0.0     0.0.0.0         255.255.0.0     U         0 0 
>          0
> eth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U         0 0 
>          0
> lo
> 0.0.0.0         192.63.245.250  0.0.0.0         UG        0 0 
>          0
> eth0
> 
> --------------Netstat with 2 ethernet cards after xend starts 
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS 
> Window  irtt
> Iface
> 192.63.245.0    0.0.0.0         255.255.255.0   U         0 0 
>          0
> eth1
> 192.63.245.0    0.0.0.0         255.255.255.0   U         0 0 
>          0
> eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U         0 0 
>          0
> eth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U         0 0 
>          0
> lo
> 
> -------------Netstat with 1 ethernet card after xend starts
> 
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS 
> Window  irtt
> Iface
> 192.63.245.0    0.0.0.0         255.255.255.0   U         0 0 
>          0
> eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U         0 0 
>          0
> eth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U         0 0 
>          0
> lo
> 0.0.0.0         192.63.245.250  0.0.0.0         UG        0 0 
>          0
> eth0
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [Xen-devel] [Qeustion] Hypervisor for Embedded System, Mark Williamson
Next by Date:  [Xen-devel] Re: [Xen-users] Guest OS crash!, Anthony Liguori
Previous by Thread:  [Xen-devel] Networking problems at xend start, Subrahmanian, Raj
Next by Thread:  [Xen-devel] SMP dom0 with 8 cpus of i386, Kamble, Nitin A
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy