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[Xen-users] Xen 3.0 networking trouble with eth1

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Xen 3.0 networking trouble with eth1
From: Siniša Burina <sinisa@xxxxxxxxxx>
Date: Tue, 17 Jan 2006 22:59:30 +0100
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Hello, all! 

I have a Xen 3.0 setup on a server with two network cards, which are supposed 
to work in two totally independent virtual nets using bridging. Now, the first 
virtual net works as a charm, connecting several domUs.

The problem is that with the second NIC (eth1) there's no luck at all - 
everything is exactly the same, virtual infrastructure seems to be up and 
running, packets get through to domU just fine (visible with tcpdump on domU), 
but no packets ever get back to dom0. IP communication through the physical 
interface works in both directions w/o any trouble.

In other words, it's just like my virtual crossover cable dom0 <-> domU is half 
broken, and just on  second virtual network.

Has anyone ever experienced the same problem, or does anyone have an idea what 
might be wrong with this setup? 


Here are some details: 



# brctl show 
bridge name     bridge id               STP enabled     interfaces 
xenbr0          8000.feffffffffff       no              peth0 
                                                        vif0.0 
                                                        vif1.0 
                                                        vif2.0 
                                                        vif3.0 
                                                        vif4.0 
xenbr1          8000.feffffffffff       no              peth1 
                                                        vif0.1 
                                                        vif5.0 


# ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:30:48:76:51:06  
          inet addr:192.168.10.1  Bcast:192.168.10.255  Mask:255.255.255.0 
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:12042 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:8772 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:1942638 (1.8 MiB)  TX bytes:3613117 (3.4 MiB) 

eth1      Link encap:Ethernet  HWaddr 00:30:48:76:51:07  
          inet addr:192.168.11.1  Bcast:192.168.11.255  Mask:255.255.255.0 
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:3787 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:247 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:228132 (222.7 KiB)  TX bytes:14854 (14.5 KiB) 

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1 
          RX packets:13745 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:10249 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000 
          RX bytes:1561053 (1.4 MiB)  TX bytes:2604788 (2.4 MiB) 
          Base address:0x2000 Memory:d6000000-d6020000 

peth1     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1 
          RX packets:4505 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:263 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000 
          RX bytes:289242 (282.4 KiB)  TX bytes:20221 (19.7 KiB) 
          Base address:0x2040 Memory:d6020000-d6040000 

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:8773 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:12043 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:3613267 (3.4 MiB)  TX bytes:1942728 (1.8 MiB) 

vif0.1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:247 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:3788 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:14854 (14.5 KiB)  TX bytes:228222 (222.8 KiB) 

vif1.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:1807 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:6090 errors:0 dropped:13 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:167460 (163.5 KiB)  TX bytes:404718 (395.2 KiB) 

vif2.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:10913 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:13350 errors:0 dropped:78 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:1871574 (1.7 MiB)  TX bytes:3105598 (2.9 MiB) 

vif3.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:6319 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:10826 errors:0 dropped:14 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:1199804 (1.1 MiB)  TX bytes:1194303 (1.1 MiB) 

vif4.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:5897 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:9882 errors:0 dropped:34 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:1078680 (1.0 MiB)  TX bytes:1059360 (1.0 MiB) 

vif5.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:309 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:3503 errors:0 dropped:4 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:14490 (14.1 KiB)  TX bytes:209580 (204.6 KiB) 

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:3880 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:175444 (171.3 KiB)  TX bytes:378 (378.0 b) 

xenbr1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 
          RX packets:3942 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:180614 (176.3 KiB)  TX bytes:378 (378.0 b) 


-- 
Best Regards, 
        Sinisa 



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