[ovs-discuss] OVS + Mininet

Advith Nagappa advith.nagappa at gmail.com
Wed Oct 19 01:17:56 UTC 2016


Hi ,

I was running mininet with userspace ovs (mn --switch user)(h1, h2 and s1)

I notice that if i run ovs-vsctl show utility in a host, it does not show
the topology.


*root at cep-VirtualBox:/home/cep# ovs-vsctl show*

*1ab72bfb-a279-47b1-9980-efd5aa8e2ab4*



When I run mininet normally (mn) (h1, h2, s1)

*root at cep-VirtualBox:/home/cep# ovs-vsctl show*
*1ab72bfb-a279-47b1-9980-efd5aa8e2ab4*
*    Bridge "s1"*
*        Controller "ptcp:6634"*
*        Controller "tcp:127.0.0.1:6633 <http://127.0.0.1:6633>"*
*            is_connected: true*
*        fail_mode: secure*
*        Port "s1"*
*            Interface "s1"*
*                type: internal*
*        Port "s1-eth1"*
*            Interface "s1-eth1"*
*        Port "s1-eth2"*
*            Interface "s1-eth2"*

Is this the expected behavior? One would think that in both the cases the
topology is the same, except that the userspace completely avoids the
kernel datapath. What am I missing?

Best Regards
Advith Nagappa
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