[ovs-discuss] Mininet cannot run with ovs, maybe configuration problem

[Xuemei Liu]

Hi, all,

I find one problem while running ovs in mininet. I guess it should be mininet
/ configuration / dependency issue, but I cannot figure it out.

1. If I install mininet using "install.sh -a", it will install mininet with
all dependencies, including ovs. Then "sudo mn --topo tree,3,3" works
through.
2. If additionally I install OVS by myself (I mean git clone the latest ovs
and install it), "sudo mn --topo tree,3,3" cannot work through, just stalls
in the following step. The process ovs-vswitchd exits as well.
3. In 2, "sudo mn --topo tree,2,3" can work through. It seems with fewer
switches it is ok.

The problem occurs in a machine with ubuntu 14.04.1 and linux kernel
version 3.13.0-35-generic. On my pc there is no such problem with ubuntu
14.04.2 and linux version 3.16.0-41-generic.

This problem blocks me for one day. Does anyone have similar experience?

Thanks,
Xuemei

[image: Inline image 1]
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