[ovs-discuss] Bonding switches using Mininet

[Ronaldo Resende]

Hello all,

I'm using Mininet to work with a school project and I'm having some issues
trying to create a bonding of two interfaces between two switches. When I
create both interfaces and then try to create the bonding, I get the
following error:

ronaldo at localhost:~$ sudo ovs-vsctl show
dc3a23a3-da27-478b-b85b-b87da10bc824
    Bridge "s1"
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Controller "ptcp:6654"
        fail_mode: secure
        Port "s1"
            Interface "s1"
                type: internal
        Port "s1-eth1"
            Interface "s1-eth1"
        Port "s1-eth2"
            Interface "s1-eth2"
        Port "s1-eth3"
            Interface "s1-eth3"
        Port "s1-eth4"
            Interface "s1-eth4"
        Port "s1-eth5"
            Interface "s1-eth5"
        Port "s1-eth6"
            Interface "s1-eth6"
        Port "s1-eth7"
            Interface "s1-eth7"
        Port "s1-eth8"
            Interface "s1-eth8"
        Port "s1-eth9"
            Interface "s1-eth9"
        Port "s1-eth10"
            Interface "s1-eth10"

    Bridge "s2"
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Controller "ptcp:6655"
        fail_mode: secure
        Port "s2"
            Interface "s2"
                type: internal
        Port "s2-eth1"
            Interface "s2-eth1"
        Port "s2-eth2"
            Interface "s2-eth2"
        Port "s2-eth3"
            Interface "s2-eth3"
        Port "s2-eth4"
            Interface "s2-eth4"
        Port "s2-eth5"
            Interface "s2-eth5"
        Port "s2-eth6"
            Interface "s2-eth6"
    ovs_version: "2.6.1"

ronaldo at locahost:~$ sudo ovs-vsctl add-bond s1 bond0 s1-eth9 s1-eth10
ovs-vsctl: cannot create an interface named s1-eth9 because a port named
s1-eth9 already exists on bridge s1

When I create the bonding without the interfaces created, I get the
following error:

ronaldo at localhost:~$ sudo ovs-vsctl show
dc3a23a3-da27-478b-b85b-b87da10bc824
    Bridge "s1"
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Controller "ptcp:6654"
        fail_mode: secure
        Port "s1"
            Interface "s1"
                type: internal
        Port "s1-eth1"
            Interface "s1-eth1"
        Port "s1-eth2"
            Interface "s1-eth2"
        Port "s1-eth3"
            Interface "s1-eth3"
        Port "s1-eth4"
            Interface "s1-eth4"
        Port "s1-eth5"
            Interface "s1-eth5"
        Port "s1-eth6"
            Interface "s1-eth6"
        Port "s1-eth7"
            Interface "s1-eth7"
        Port "s1-eth8"
            Interface "s1-eth8"
    Bridge "s2"
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Controller "ptcp:6655"
        fail_mode: secure
        Port "s2"
            Interface "s2"
                type: internal
        Port "s2-eth1"
            Interface "s2-eth1"
        Port "s2-eth2"
            Interface "s2-eth2"
        Port "s2-eth3"
            Interface "s2-eth3"
        Port "s2-eth4"
            Interface "s2-eth4"
        Port "s2-eth5"
    ovs_version: "2.6.1"

ronaldo at localhost:~$ sudo ovs-vsctl add-bond s1 bond0 s1-eth9 s1-eth10
ovs-vsctl: Error detected while setting up 's1-eth9', 's1-eth10'.  See
ovs-vswitchd log for details.

In both cases I tried doing this creating and without creating the bond0
interface first.

What am I doing wrong?
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