Re: [Xen-users] xen guest eth1 tun interface goes to the wrong bridge

[matt <xen@xxxxxxxxxxx>]

I've got the same problem with xen 3.0.2 (compiled form source, but I've 
had the same issue with binaries) running on Ubuntu 6.06.
I've got two network cards and have a wrapper script around 
network-bridge to create two bridges.
When I run a paravirtualised domain which has the following vif section:
vif = ['bridge=xenbr0','bridge=xenbr1']

I get a domain with two vifs that attach to the correct physical 
interfaces. Which is what I'd expect.
However...

When I create a HVM domain with this vif section:
vif = ['type=ioemu, bridge=xenbr0','type=ioemu, bridge=xenbr1']

I get two vifs but both attached to the same bridge (whichever bridge 
appears first in the script, the above example would attach both to xenbr0)
brclt show looks like this:

xenbr0 ===> 8000.someStuff ====> vif0.0 peth0 vif12.1
xenbr1 ===> 8000.otherStuff ====> vif0.1 peth1 tun0 tun1 vif12.0

so any thoughts?

many thanks
Matt



Original 
Message==========================================================================
Hello,

We have setup 6 xen guests VT(rhel3) on dmo0 FC5 and for each guest 
there are 2 network interfaces eth0/eth1.
Now if we start the xen guests all the tun interfaces for eth1 goes to 
xenbr1 and not do the defined bridge tsmbr1 oder tsmbr2 ?
Where are the scripts for setup tun interface ?

Has anybody a solution for this problem ?

2 Guests have this vif config:

vif = [ 'type=ioemu,bridge=xenbr1,mac=02:00:00:00:01:01',

       'type=ioemu,bridge=tsmbr1,mac=02:00:00:00:01:02' ]

And 2 guest have this vif config:

vif = [ 'type=ioemu,bridge=xenbr1,mac=02:00:00:00:01:09',

       'type=ioemu,bridge=tsmbr2,mac=02:00:00:00:01:10' ]


bridge name     bridge id               STP enabled     interfaces

tsmbr1          8000.921f6ab823a2       no              tun1

                                                       vif1.1

                                                       vif2.1

tsmbr2          8000.feffffffffff       no              vif3.1

                                                       vif4.1

                                                       vif5.1

                                                       vif7.1

                                                       vif9.1

xenbr0          8000.82469d13d88a       no              peth0

                                                       tun14

                                                       tun15

                                                       vif0.0

                                                       vif8.0

xenbr1          8000.06939ed49977       no              peth1

                                                       tun0

                                                       tun10

                                                       tun11

                                                       tun12

                                                       tun13

                                                       tun2

                                                       tun3

                                                       tun4

                                                       tun5

                                                       tun6

                                                       tun7

                                                       tun8

                                                       tun9

                                                       vif0.1

                                                       vif1.0

                                                       vif2.0

                                                       vif3.0

                                                       vif4.0

                                                       vif5.0

                                                       vif7.0

                                                       vif9.0

xenbr2          8000.feffffffffff       no              peth2

                                                       vif0.2

                                                       vif8.1

many thanks,

Thomas

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