Re: [Xen-users] 2 network connection for dom0 and domU(s)

[Gabor Szilagyi <szilagyi@xxxxxxxxxxxx>]

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chris wrote:
> eth1 doesnt show running so theres some issue with your dom0
> configuration of eth1. you could try pasting the config here and see if
> anyone can notice whats wrong

As I stated it is not plugged into a switch (because I do not have
physical connection nearby for that network) if you think that makes a
difference I can fake that and put it onto the same network different
static IP... should this matter ??

Gabor

> 
> On Thu, Feb 18, 2010 at 12:36 PM, Gabor Szilagyi <szilagyi@xxxxxxxxxxxx
> <mailto:szilagyi@xxxxxxxxxxxx>> wrote:
> 
> chris wrote:
>> what does ifconfig -a and "brtcl show" output?
> 
> When I try with the two bridge config line
> 
> vif = [ 'mac=00:16:3e:00:01:06, bridge=eth0' ,
> 'mac=00:16:3e:10:01:01, bridge=eth1', ]
> 
> got this error and the ifconfig/brctl below
> Using config file "./test1_pv.cfg".
> 
> Error: Device 1 (vif) could not be connected. Hotplug scripts not
> working.
> 
> 
> rasnew:/home/gabor# ifconfig -a
> eth0      Link encap:Ethernet  HWaddr 00:21:86:ef:3e:bb
>          inet addr:1 XX.XX.242.105  Bcast: XX.X.242.255
>  Mask:255.255.255.0
>          inet6 addr: fe80::221:86ff:feef:3ebb/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:652048 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:62069 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:130026530 (124.0 MiB)  TX bytes:7218830 (6.8 MiB)
> 
> eth1      Link encap:Ethernet  HWaddr 00:0e:0c:64:cf:3c
>          inet addr:10.0.0.105  Bcast:10.0.0.255  Mask:255.255.255.0
>          UP BROADCAST MULTICAST  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:1000
>          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 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:8 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:560 (560.0 B)  TX bytes:560 (560.0 B)
> 
> peth0     Link encap:Ethernet  HWaddr 00:21:86:ef:3e:bb
>          inet6 addr: fe80::221:86ff:feef:3ebb/64 Scope:Link
>          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>          RX packets:714082 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:94462 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:100
>          RX bytes:229396507 (218.7 MiB)  TX bytes:9422167 (8.9 MiB)
>          Memory:fc800000-fc820000
> 
> tmpbridge Link encap:Ethernet  HWaddr 72:b2:05:6d:34:50
>          BROADCAST MULTICAST  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)
> 
> rasnew:/home/gabor# brctl show
> bridge name     bridge id               STP enabled     interfaces
> eth0            8000.002186ef3ebb       no              peth0
> tmpbridge               8000.000000000000       no
> 
> end domU eventualy quits
> 
> trying with domU config
> 
> vif = [ 'mac=00:16:3e:00:01:06, bridge=eth0' , ]
> 
> No other changes !!!
> rasnew:/home/gabor# ifconfig -a
> eth0      Link encap:Ethernet  HWaddr 00:21:86:ef:3e:bb
>          inet addr: XX.XX.242.105  Bcast:XX.XX.242.255
>  Mask:255.255.255.0
>          inet6 addr: fe80::221:86ff:feef:3ebb/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:652584 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:62139 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:130063411 (124.0 MiB)  TX bytes:7237170 (6.9 MiB)
> 
> eth1      Link encap:Ethernet  HWaddr 00:0e:0c:64:cf:3c
>          inet addr:10.0.0.105  Bcast:10.0.0.255  Mask:255.255.255.0
>          UP BROADCAST MULTICAST  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:1000
>          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 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:8 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:560 (560.0 B)  TX bytes:560 (560.0 B)
> 
> peth0     Link encap:Ethernet  HWaddr 00:21:86:ef:3e:bb
>          inet6 addr: fe80::221:86ff:feef:3ebb/64 Scope:Link
>          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>          RX packets:714624 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:94547 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:100
>          RX bytes:229442341 (218.8 MiB)  TX bytes:9441589 (9.0 MiB)
>          Memory:fc800000-fc820000
> 
> tmpbridge Link encap:Ethernet  HWaddr 72:b2:05:6d:34:50
>          BROADCAST MULTICAST  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)
> 
> vif21.0   Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff
>          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>          RX packets:15 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:15 errors:0 dropped:6 overruns:0 carrier:0
>          collisions:0 txqueuelen:32
>          RX bytes:872 (872.0 B)  TX bytes:2021 (1.9 KiB)
> 
> 
> rasnew:/home/gabor# brctl show
> bridge name     bridge id               STP enabled     interfaces
> eth0            8000.002186ef3ebb       no              peth0
>                                                        vif21.0
> tmpbridge               8000.000000000000       no
> 
> 
> I am not sure if this helps ...
> 
> Gabor
> 
>> On Thu, Feb 18, 2010 at 11:46 AM, Gabor Szilagyi
> <szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>
>> <mailto:szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>>> wrote:
> 
>> chris wrote:
>>> In my experience its because the bridge is not brought up unless the
>>> interface is configured. Does the eth1 on dom0 have an IP address
>> or did
>>> you put it up with ifconfig?
> 
>> Thanks Chris,
> 
>> Yes, it is fully configured (second network cable is not attached
> right
>> now but was tested). Actually /etc/network/interfaces file is fully
>> configured on the dom0 for eth0 and eth1 ... just the second
> network is
>> not in the location where the host is now :-) could this be an issue?
> 
>> See ifconfig print out in my message below.
> 
>> Again, when I have only one bridge declared in the domU config (see
>> below it comes up fine with one interface using the modifed
> wrapper but
>> with both it hangs
> 
>> Gabor
> 
> 
>>> - chris
> 
>>> On Thu, Feb 18, 2010 at 10:21 AM, Gabor Szilagyi
>> <szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>
> <mailto:szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>>
>>> <mailto:szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>
> <mailto:szilagyi@xxxxxxxxxxxx <mailto:szilagyi@xxxxxxxxxxxx>>>> wrote:
> 
>>> I am new to xen and went through the wiki(s) on bridging btw dom0
>>> and domU.
> 
>>> My physical host has two network card which needs to be attached
>> to two
>>> different network (one private one public).
> 
>>> First using one bridge was successful but I am having trouble to
> bring
>>> up the second. I have tried to  modifie the xendconfig and tried to
>>> create a custom wrapper for the bridging script following some
>> examples.
> 
>>> The dom0 is Debian Squeeze (base install) with dom0 kernel
>> compiled from
>>> the jeremy's tree (no problem there). The Hypervisor 3.4.2 (64bit)
> 
>>> I have not found exact receipt for the layout I want
> 
>>> dom0 -- eth0 -- XX.XX.242.0/24 -- "bridge1" -- eth0 -- domU1
>>> dom0 -- eth1 -- 10.0.0.0/24 <http://10.0.0.0/24> <http://10.0.0.0/24>
>> <http://10.0.0.0/24>    -- "bridge2" --
>>> eth1 -- domU1
> 
>>> All the interfaces will be using static IP (I have no problem
>>> configuring those within their OS).
> 
> 
>>> Current setup:
> 
>>> rasnew:/etc/xen# cat xend-config.sxp|grep -v ^#|grep bridge
>>> (network-script network-bridge-custom)
>>> (vif-script vif-bridge)
> 
>>> rasnew:/etc/xen# cat ./scripts/network-bridge-custom
>>> #!/bin/sh
>>> /etc/xen/scripts/network-bridge "$@" netdev=eth0
>>> /etc/xen/scripts/network-bridge "$@" netdev=eth1
> 
> 
>>> The test domU config is like this the uncommented line would hang the
>>> domU although it shows up in xm list
> 
>>> rasnew:/etc/xen# cat test1_pv.cfg
>>> bootloader = '/usr/lib/xen-3.4/bin/pygrub'
>>> memory = 256
>>> name = "testPV"
>>> vif = [ 'mac=00:16:3e:00:01:06, bridge=eth0' , ]
>>> #vif = [ 'mac=00:16:3e:00:01:06, bridge=eth0' ,
>> 'mac=00:16:3e:10:01:01,
>>> bridge=eth1', ]
>>> disk = [ 'phy:/dev/vm-vg/testdomU.disk,xvda1,w', ]
> 
>>> On the host both eth0 and eth1 us up :
> 
>>> rasnew:/etc/xen# ifconfig
>>> eth0      Link encap:Ethernet  HWaddr 00:21:86:ef:3e:bb
>>>          inet addr: XX.XX.242.105  Bcast: XX.XX.242.255
>>>  Mask:255.255.255.0
>>>          inet6 addr: fe80::221:86ff:feef:3ebb/64 Scope:Link
>>>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>>          RX packets:643696 errors:0 dropped:0 overruns:0 frame:0
>>>          TX packets:61616 errors:0 dropped:0 overruns:0 carrier:0
>>>          collisions:0 txqueuelen:0
>>>          RX bytes:129478544 (123.4 MiB)  TX bytes:7094105 (6.7 MiB)
> 
>>> eth1      Link encap:Ethernet  HWaddr 00:0e:0c:64:cf:3c
>>>          inet addr:10.0.0.105  Bcast:10.0.0.255  Mask:255.255.255.0
>>>          UP BROADCAST MULTICAST  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:1000
>>>          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
> 
> 
> 
>>> Not sure what else I should list here :-)
> 
>>> Any suggestion would be appreciated. Can this be done with the xen
>>> scripts or I have to build the bridges manually?
> 
>>> Thanks.
> 
>>> Gabor
> 
> 
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> <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>>>
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> 
> 
> 
> 
> 

- --
+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+
| Gabor Szilagyi (Mr.)                    Gabor.Szilagyi@xxxxxxxxxxxx |
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