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

Selin Yılmaz selinyilmaz.metu2012 at gmail.com
Wed Apr 16 03:23:33 PDT 2014


I also had the same problem. I was trying to implement my own network code and only 248 switches are added to the controller. I am using a 64GB memory computer so it should not be because of the performance of the computer. So do you suggest using another controller? 

Selin Yılmaz. 

> On 16 Nis 2014, at 06:26, Alexander Turner <alexanderturner at me.com> wrote:
> 
> Just tested that network using the mininet reference controller which worked fine.
> 
> mn --switch ovsk --controller ref --topo tree,depth=9,fanout=2
> 
> The problem might lie in Beacon.
> 
> Alex
> 
> 
>> On 16 Apr 2014, at 11:46 am, Ke Liu <poppin.ke at gmail.com> 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 cs.stanford.edu>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 <poppin.ke at gmail.com> 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 ict.ac.cn
>>>> Website: http://acs.ict.ac.cn/network-system/liuke/
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