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Jorge Constán
2009-Feb-11 13:09 UTC
[Xen-users] TWO NIC WITH TWO BRIDGE NOT WORKS XEN 3.0.3 -- WHAT AM I WRONG ?

Hello everyone.

I just installed Xen 3.0.3 in a debian etch box.

Linux server1.example.com 2.6.18-6-xen-686 #1

This server1 has two real nic (eth0 with real MAC 00:13:72:57:7B:AE and eth1
with real MAC00:13:72:57:7B:AF).


I made a network-bridge custom like this:
-----------------------------------------------------------------------
#!/bin/bash

dir=$(dirname "$0")
"$dir/network-bridge" "$@" vifnum=0 netdev=eth0
bridge=xenbr0lan
"$dir/network-bridge" "$@" vifnum=1 netdev=eth1
bridge=xenbr1wan
"$dir/network-bridge" "$@" vifnum=2 netdev=dummy0
bridge=xenbr2dmz
# EOF
-----------------------------------------------------------------------

I want only the 192.168.0.0 net for dom0 and 10.0.0.0 for two domUs for now
(later I m´ll make new domu in 192.168.0.0).


My problem is that que te domU only has ping if I set the real MAC in the
dum´s cfg script.



domu1 works if add the real MAC in cfg file like this:
--------------------------------------------------------------------
#  Networking
#
vif   = [
''ip=10.0.0.55,mac=00:13:72:57:7B:AF,bridge=xenbr1wan'' ]
--------------------------------------------------------------------


domu2 works if add the real MAC in cfg file like this:
--------------------------------------------------------------------
#  Networking
#
vif   = [
''ip=10.0.0.15,mac=00:13:72:57:7B:AF,bridge=xenbr1wan'' ]
--------------------------------------------------------------------


domU 1 and domU 2 not works if I add a no real MAC o MAC is not present in
cfg domU´s file.

For example. If I make cfg with MAC random, empty o FE:FF:FF:FF:FF:FF,
appear the error:

Configuring network interfaces...SIOCSIFADDR: No such device
eth1: ERROR while getting interface flags: No such device
SIOCSIFNETMASK: No such device
eth1: ERROR while getting interface flags: No such device
Failed to bring up eth1.




Moreover, when I add the real MAC in domUs they work (can ping to any IP),
but if I have a ssh session with domU1 and open a new ssh session with
domU2, the network connection with domu1 crash.
So, I can not make two simultaneous ssh connections to domus using the same
real MAC


What is wrong?


Thanks a lot for help.



The dom0 ifconfig is like this:
-----------------------------------------------------------------------

eth0      Link encap:Ethernet  HWaddr 00:13:72:57:7B:AE
          inet addr:192.168.0.10  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::213:72ff:fe65:b6ae/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:20077 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5247 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1635292 (1.5 MiB)  TX bytes:2590945 (2.4 MiB)


eth1      Link encap:Ethernet  HWaddr 00:13:72:57:7B:AF
          inet addr:10.0.0.10  Bcast:192.168.0.255  Mask:255.0.0.0
          inet6 addr: fe80::213:72ff:fe65:b6af/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:17 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:1410 (1.3 KiB)  TX bytes:468 (468.0 b)


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:2 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:190 (190.0 b)  TX bytes:190 (190.0 b)

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:26704 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5465 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:2153821 (2.0 MiB)  TX bytes:2625975 (2.5 MiB)
          Base address:0xecc0 Memory:fe6e0000-fe700000

peth1     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:1438388 errors:0 dropped:0 overruns:0 frame:0
          TX packets:995820 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:587494811 (560.2 MiB)  TX bytes:802828104 (765.6 MiB)
          Base address:0xdcc0 Memory:fe4e0000-fe500000

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:5247 errors:0 dropped:0 overruns:0 frame:0
          TX packets:20077 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2590945 (2.4 MiB)  TX bytes:1635292 (1.5 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 NOARP  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:534 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:43692 (42.6 KiB)

vif3.0    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:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:326 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:714 (714.0 b)  TX bytes:26376 (25.7 KiB)

vif4.0    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:746803 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1437865 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:772754929 (736.9 MiB)  TX bytes:580090885 (553.2 MiB)

xenbr0lan Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:14601 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:890242 (869.3 KiB)  TX bytes:0 (0.0 b)

xenbr1wan Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:534 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:36216 (35.3 KiB)  TX bytes:0 (0.0 b)

xenbr2dmz Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          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:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
-----------------------------------------------------------------------


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