thr3ads.net - Xen users - [Xen-users] vif0.0: received packet with own address as source address [May 2009]

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Rudi Ahlers

2009-May-11 10:02 UTC

[Xen-users] vif0.0: received packet with own address as source address

Hi all,

Has anyone seen this before? I''m running a CentOS 5.3 with xen 3.0 and
the
server has been running fine for a long time. In fact, it was up for 186
days before I had to reboot after the "network died", and I
couldn''t fix it.


The server has multiple domU''s on it, which all still works when the
host
node (dom0)''s network dies with these errors.

[root@zaxen01 ~]# xm info
host                   : zaxen01
release                : 2.6.18-128.1.6.el5xen
version                : #1 SMP Wed Apr 1 09:53:14 EDT 2009
machine                : x86_64
nr_cpus                : 2
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 2666
hw_caps                :
bfebfbff:20100800:00000000:00000140:0000e3fd:00000000:00000001
total_memory           : 4085
free_memory            : 1
node_to_cpu            : node0:0-1
xen_major              : 3
xen_minor              : 1
xen_extra              : .2-128.1.6.el5
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)
cc_compile_by          : mockbuild
cc_compile_domain      : centos.org
cc_compile_date        : Wed Apr  1 09:00:24 EDT 2009
xend_config_format     : 2

Here''s the network layout:



eth0      Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet addr:196.34.x.x  Bcast:196.34.x.x  Mask:255.255.255.224
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1178 errors:0 dropped:0 overruns:0 frame:0
          TX packets:448 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:80088 (78.2 KiB)  TX bytes:84648 (82.6 KiB)

eth1      Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet addr:196.34.x.y  Bcast:196.34.x.y  Mask:255.255.255.224
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:307797 errors:0 dropped:0 overruns:0 frame:0
          TX packets:163 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:20972986 (20.0 MiB)  TX bytes:21461 (20.9 KiB)
          Interrupt:21 Base address:0xe000

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:14138 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14138 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1137064 (1.0 MiB)  TX bytes:1137064 (1.0 MiB)

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:2142795 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1894472 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:272860348 (260.2 MiB)  TX bytes:709540814 (676.6 MiB)
          Interrupt:20 Base address:0xc000

veth1     Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2520 (2.4 KiB)  TX bytes:1836 (1.7 KiB)

veth2     Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12 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:2520 (2.4 KiB)  TX bytes:2520 (2.4 KiB)

veth3     Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:13 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2862 (2.7 KiB)  TX bytes:2178 (2.1 KiB)

vifandr0  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:958834 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1236467 errors:0 dropped:5 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:152739501 (145.6 MiB)  TX bytes:104048752 (99.2 MiB)

vifplut0  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:370998 errors:0 dropped:0 overruns:0 frame:0
          TX packets:758318 errors:0 dropped:22 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:453734516 (432.7 MiB)  TX bytes:139020622 (132.5 MiB)

vifserv0  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:294851 errors:0 dropped:0 overruns:0 frame:0
          TX packets:558732 errors:0 dropped:61 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:45719313 (43.6 MiB)  TX bytes:53323260 (50.8 MiB)

vifwise0  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:143414 errors:0 dropped:0 overruns:0 frame:0
          TX packets:453051 errors:0 dropped:67 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:23315147 (22.2 MiB)  TX bytes:39044412 (37.2 MiB)

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:550 errors:0 dropped:0 overruns:0 frame:0
          TX packets:320595 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:101152 (98.7 KiB)  TX bytes:22812730 (21.7 MiB)
vif0.1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9 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:1746 (1.7 KiB)  TX bytes:2520 (2.4 KiB)

vif0.2    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11 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:2430 (2.3 KiB)  TX bytes:2520 (2.4 KiB)

vif0.3    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2010 (1.9 KiB)  TX bytes:2862 (2.7 KiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:314551 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:16969522 (16.1 MiB)  TX bytes:2052 (2.0 KiB)



I have to run /etc/init.d/network restart for it to work again. How can I
permanently fix the problem?

-- 
Kind Regards
Rudi Ahlers
CEO, SoftDux Hosting
Web: http://www.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532


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Fajar A. Nugraha

2009-May-11 14:45 UTC

head link

Re: [Xen-users] vif0.0: received packet with own address as source address

On Mon, May 11, 2009 at 5:02 PM, Rudi Ahlers <rudiahlers@gmail.com>
wrote:> Hi all,
>
> Has anyone seen this before? I''m running a CentOS 5.3 with xen 3.0
and the
> server has been running fine for a long time. In fact, it was up for 186
> days before I had to reboot after the "network died", and I
couldn''t fix it.
Might be related to this
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=339

Usually my workaround is to use two NICs :
- one for dom0 management, with IP address on dom0
- one is trunk, with bridges created over vlans for domU traffic, no
IP address on dom0

On few hosts where I had to use the standard xen bridge, I changed
/etc/xen/network-bridge with the one from the above bug report.

Regards,

Fajar

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