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[mininet-discuss] the maximum number of switches can be simulated

Alexander Turner alexanderturner at
Tue Apr 15 20:05:33 PDT 2014

I believe the limit you’ll be encountering here is the performance of the computer you’re running mini net on.

There is a project called Maxinet that allows you to create multiple mininet instances on different machines and link them together using GRE tunnels. I believe maxinet also provides a central point of orchestration for the different mininet instances.

I could be wrong here and it could be a limitation with your controller as well. Try different controllers such as NOX.


On 16 Apr 2014, at 11:46 am, Ke Liu < at> wrote:

> Thanks for the reply
> I create tree topo with depth=9 fanout=2 thus 511 switches but only the first 249 switches connecting to the controller (beacon controller)
> Bob Lantz <rlantz at>于2014年4月16日星期三写道:
> How many switches, hosts and links are you trying to create?
> On Apr 14, 2014, at 11:42 PM, Ke Liu < at> wrote:
>> Hi, All, 
>> I create a tree topology that creates more than 500 switches, but our controller only receives the TCP connection requests  from only 247 switches, I saw the previous post that also raised the similar problem, they could not simulate 1000 switches using Mininet, I want to ask whether this problem is solved or not right now, or any direction to solve it 
>> Thanks
>> -- 
>> Liu, Ke, Ph.D
>> Assistant Professor
>> State Key Laboratory of Computer Architecture
>> Institute of Computing Technology,Chinese Academy of Sciences
>> Phone: +86-13810814278
>> Email: liuke at
>> Website:
>> _______________________________________________
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