OpenFlow topology only shows when switches are connected to the controller,
that is expected behavior is this is what your question is about.
BR/Luis
> On Sep 12, 2021, at 8:17 PM, hj2913 via lists.opendaylight.org
> <hj2913=ajou.ac...@lists.opendaylight.org> wrote:
>
> hi, i'm one of the student using opendaylight controller.
>
> i'm doing some project. and simulation stop and resume often.
> but when the simulation stops, i can't see the topology on web-page(dlux
> topology) and can't get topology information using REST API.
>
> in my opinion, this is because when i stop the simulation there is no packet
> exchange so controller disconnect connection.
>
> so i tried to change switch-idle-timeout option in xml files. default
> 15seconds to 0( permanent). but it doesn't work.
>
> these are what i have done. can anybody help me ?
>
> 1.modify value of the <switch-idle-timeout> tag in files
>
> i explore the folder and changed the value of the <switch-idle-timeout> tag.
> these are file list and example code.
> {folder}/etc/opendaylight/karaf/42-openflowplugin-Li.xml
> {folder}/system/org/opendaylight/openflowplugin/openflowplugin-controller-config-Li/HE.xml
>
> <dummyfile.0.part>
>
> 2. added <switch-idle-timeout> tag in the files
>
> solution 1 doesn't seem to work. so i added <switch-idle-timeout> tag and
> value into the file which is related with switch-connection.
> these are file list and example code.
> {folder}/etc/opendaylight/datastor/initial/defalut-openflow-connection-config.xml
> {folder}/etc/opendaylight/datastor/initial/legacy-openflow-connection-config.xml
> {folder}/system/org/opendaylight/openflowjava-openflowjava-blueprint-config/0.9.4-Carbon/openflowjava-blueprint-config-0.9.4-Carbon-config.xml
> {folder}/system/org/opendaylight/openflowjava-openflowjava-blueprint-config/0.9.4-Carbon/openflowjava-blueprint-config-0.9.4-Carbon-legacyconfig.xml
>
> <dummyfile.1.part>
>
> but i think these things doesn't affect to the connection.
> is there anyone who can help me ?
>
>
>
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