Yes, it is called Loopremover:

https://wiki.opendaylight.org/view/L2_Switch:Beryllium:User_Guide

BR/Luis


> On May 12, 2016, at 1:46 PM, Zhang Tianzhu <[email protected]> wrote:
> 
> Dear all, I have a question about the ODL l2Switch applicaion. Assume that 
> host 1 sends a icmp request to host 2 which is unknown to the controller, the 
> controller should instruct the switches to flood the arp request. So I am 
> wondering if there is some mechanism such as Spanning tree protocol present 
> in the l2Switch app that deals with broadcast storm caused by the flooding?
> 
>   Thanks & Regards
>   Tianzhu
> _______________________________________________
> controller-dev mailing list
> [email protected]
> https://lists.opendaylight.org/mailman/listinfo/controller-dev

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