[Xen-users] XCP and network interfaces

[Christian Motschke <christian@xxxxxxxxxxx>]

Hello,

I started using XCP (Debian wheezy packages) after I used XEN for several 
years. I have some questions regarding the creation of the network interfaces 
(I am trying to use bridges not openvswitch).
I have 4 physical network interfaces. They are renamed by udev (intern, dmz, 
san1 and san2) and already assigned to bridges (br0 to br3).

I want to use the same bridges for XCP, but XCP ignores these bridges and tries 
to create own bridges for every physical interface. But this will not work, 
because the physical interface is already assigned to a bridge.

How can I use an already existing bridge (that is not named xenbr0, if this is 
relevant) in XCP?

Who creates the pifs and networks in XCP (I assume xcp-networkd)?

What I want to do is:

xe network-create name-label=br0 name-description="internal network" bridge=br0
This does not work because the bridge param is RO and is ignored.

viki:~# xe pif-list
uuid ( RO)                  : 070e32e7-da50-78f4-6cfd-0626f1fca089
                device ( RO): dmz
    currently-attached ( RO): false
                  VLAN ( RO): -1
          network-uuid ( RO): 799946d2-0402-abe9-5010-b4cc975cd26b


uuid ( RO)                  : 4a123159-f10c-c887-c8a1-5fe17875ad7b
                device ( RO): intern
    currently-attached ( RO): false
                  VLAN ( RO): -1
          network-uuid ( RO): 73234b34-ae79-6ea0-45c7-2f5180dd2509


uuid ( RO)                  : 39b6fd14-0077-ce36-d2c2-1157bfa391ea
                device ( RO): san2
    currently-attached ( RO): true
                  VLAN ( RO): -1
          network-uuid ( RO): 26ada0d6-dbee-87c3-c7c2-dd1e1d0aeedb


uuid ( RO)                  : 0ec8bba3-ab45-715a-f7fe-e68e737b3fba
                device ( RO): san1
    currently-attached ( RO): false
                  VLAN ( RO): -1
          network-uuid ( RO): 111d1d5c-ce3f-1d70-960a-41feb3b7c478


viki:~# xe network-list 
uuid ( RO)                : 111d1d5c-ce3f-1d70-960a-41feb3b7c478
          name-label ( RW): Pool-wide network associated with san1
    name-description ( RW): 
              bridge ( RO): brsan1


uuid ( RO)                : 73234b34-ae79-6ea0-45c7-2f5180dd2509
          name-label ( RW): Pool-wide network associated with intern
    name-description ( RW): 
              bridge ( RO): brintern


uuid ( RO)                : dbf3dcfd-9046-c6a0-ec5e-a39e2239cdcc
          name-label ( RW): Host internal management network
    name-description ( RW): Network on which guests will be assigned a private 
link-local IP address which can be used to talk XenAPI
              bridge ( RO): xenapi


uuid ( RO)                : 799946d2-0402-abe9-5010-b4cc975cd26b
          name-label ( RW): Pool-wide network associated with dmz
    name-description ( RW): 
              bridge ( RO): brdmz


uuid ( RO)                : 26ada0d6-dbee-87c3-c7c2-dd1e1d0aeedb
          name-label ( RW): Pool-wide network associated with san2
    name-description ( RW): 
              bridge ( RO): brsan2


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