Thanks guys, you helped me a lot. 2016-04-26 17:23 GMT+02:00 Fischetti, Antonio <antonio.fische...@intel.com>:
> Hi Petr, > > below my replies inline. > > > > Regards, > > Antonio > > > > *From:* discuss [mailto:discuss-boun...@openvswitch.org] *On Behalf Of *Petr > Horacek > *Sent:* Tuesday, April 26, 2016 1:10 PM > *To:* discuss@openvswitch.org ML <discuss@openvswitch.org> > *Cc:* Edward Haas <edwa...@redhat.com>; Dan Kenigsberg <dan...@redhat.com> > *Subject:* [ovs-discuss] IP on bridge / internal iface > > > > Hello, > > is there any difference between setting an IP on OVS bridge and setting in > on its internal iface? > > *[Antonio F] In the 1st case you have 1 internal interface, in the 2nd > case you’ll have 2. * > > *Beside this difference, if I understand your question, both cases are > similar because * > > *you’re assigning an IP address to an internal interface.* > > > > ovs-vsctl add-br br0 > > *[Antonio F] After this command a Port + an internal Interface with the > same name will be * > > *automatically created. if you run ‘ovs-vsctl show’* > > Bridge "br0" > > Port "br0" ç > > Interface "br0" ç on this iface you assign an IP address > > type: internal > > ip addr add 192.168.1.10 dev br0 > > *[Antonio F] You’re assigning an IP address to the ‘br0’ interface that > was implicitly created.* > > > > vs. > > ovs-vsctl add-br br0 -- add-port br0 mgmt0 -- set Interface mgmt0 > type=internal > > *[Antonio F] With this command a ‘br0’ port + a ‘br0’ iface will be > created anyway.* > > *Also you’re adding a 2nd port ‘mgmt0’ => as a default an interface with > the same name will be created.* > > *You’re also specifying that it must be of type ‘internal’. * > > *As a result you will have a bridge like* > > Bridge "br0" > > Port "mgmt0" > > Interface "mgmt0" ç the next command will assign an IP > address on this iface > > type: internal > > Port "br0" > > Interface "br0" > > type: internal > > ip addr add 192.168.1.10 dev mgmt0 > > *[Antonio F] Now you’re assigning an IP address to the ‘mgmt0’ interface.* > > > > Thanks, > > Petr >
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