On Mon, 24 Nov 2014 03:58:10 -0800
Lucio Agostinho Rocha <[email protected]> wrote:

> Hi,
> 
> I'm trying to run a large simulation, with more than 100 switches, with many 
> links between them. 
> However, after 100 switches connected, Ryu controller with 'ryu-manager 
> --verbose ryu/app/ofctl_rest.py' shows:
> 
> "
> ...
> DPSET: unregister datapath <ryu.controller.controller.Datapath object at 
> 0x31aa850>
> DPSET: unregister datapath <ryu.controller.controller.Datapath object at 
> 0x2eb2850>
> DPSET: unregister datapath <ryu.controller.controller.Datapath object at 
> 0x2f51f50>
> ...
> "
> 
> Is there something that I can do to increase the number of connections 
> accepted by Ryu?
> I verified that Mininet is able to support this amount of switches.
> Any help is very useful! Best regards,

Hmm, as far as I can recall, there is no such hard limit in the
code. Can you investigate which (switch or controler) killed the
connection?

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