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There isn't any problem with ODL, checked on Lithium SR3 and stable/beryllium distribution.
Everything is working fine even with your custom-topology script and command.
Steps:

  1. Start ODL, by running bin/karaf.
  2. feature:install odl-l2switch-switch-ui
  3. Wait for few seconds and look for the below log at the end of karaf.log

    2016-05-11 17:53:40,289 | INFO | config-pusher | ConfigPusherImpl | 135 - org.opendaylight.controller.config-persister-impl - 0.3.3.Lithium-SR3 | Successfully pushed configuration snapshot 04-xsql.xml(odl-l2switch-switch-ui,odl-l2switch-switch-ui)

  4. Execute mininet command like,

    sudo mn --custom 8h8s.py --topo mytopo --switch ovsk,protocol=13openflow --link tc,bw=10,delay=10ms --mac --controller=remote,ip=192.168.7.134

  5. Fetch the topology information,

    http://localhost:8181/restconf/operational/network-topology:network-topology/

With the above steps, you can have 8 nodes and 20 links as per your mininet script which does not contains any host. If you want to have hosts visible on the DLUX and corresponding information in in the Restconf, execute pingall on the mininet cli.

There isn't any problem with ODL, checked on Lithium SR3 and stable/beryllium distribution.
Everything is working fine even with your custom-topology script and command.
Steps:

  1. Start ODL, by running bin/karaf.
  2. feature:install odl-l2switch-switch-ui
  3. Wait for few seconds and look for the below log at the end of karaf.log

    2016-05-11 17:53:40,289 | INFO | config-pusher | ConfigPusherImpl | 135 - org.opendaylight.controller.config-persister-impl - 0.3.3.Lithium-SR3 | Successfully pushed configuration snapshot 04-xsql.xml(odl-l2switch-switch-ui,odl-l2switch-switch-ui)

  4. Execute mininet command like,

    sudo mn --custom 8h8s.py --topo mytopo --switch ovsk,protocol=13openflow --link tc,bw=10,delay=10ms --mac --controller=remote,ip=192.168.7.134

  5. Fetch the topology information,

    http://localhost:8181/restconf/operational/network-topology:network-topology/

With the above steps, you can have 8 nodes and 20 links as per your mininet script which does not contains any host. host.

If you want to have hosts visible on the DLUX and corresponding information in in the Restconf, execute pingall on the mininet cli.

There isn't any problem with ODL, checked on Lithium SR3 and stable/beryllium distribution.
Everything is working fine even with your custom-topology script and command.
Steps:

  1. Start ODL, by running bin/karaf.
  2. feature:install odl-l2switch-switch-ui
  3. Wait for few seconds and look for the below log at the end of karaf.log

    2016-05-11 17:53:40,289 | INFO | config-pusher | ConfigPusherImpl | 135 - org.opendaylight.controller.config-persister-impl - 0.3.3.Lithium-SR3 | Successfully pushed configuration snapshot 04-xsql.xml(odl-l2switch-switch-ui,odl-l2switch-switch-ui)

  4. Execute mininet command like,

    sudo mn --custom 8h8s.py --topo mytopo --switch ovsk,protocol=13openflow --link tc,bw=10,delay=10ms --mac --controller=remote,ip=192.168.7.134

  5. Fetch the topology information,

    http://localhost:8181/restconf/operational/network-topology:network-topology/

With the above steps, you can have 8 nodes and 20 links as per your mininet script which does not contains any host.

If you want to have hosts visible on the DLUX and corresponding information in in the Restconf, execute pingall on the mininet cli.

cli and then fetch the topology information.