Hi,
On 2015年06月02日 17:23, Vinllen Chen wrote:
> Hi, Dear all:
>
> I want to use the switch as l3 and l2 switch, for example : four host
> connect to the switch, two ip of them are 10.0.0.0/24 <http://10.0.0.0/24>,
> the other two are 20.0.0.0/24 <http://20.0.0.0/24>.
>
> Now 10.0.0.1 want to ping the 20.0.0.3, it will send the flood packet
> because of unkown of the 20.0.0.3. My question is does the
> datapath.ofproto.OFPP_FLOOD send the arp packet to the all hosts connect to
> the switch or only send to the same subnet with the dst ip adress 20.0.0.0/24
> <http://20.0.0.0/24>
The behavior of OFPP_FLOOD depends on the switch implementation and
configuration.
In general, the switch will send a packet to the all hosts connecting to the
switch.
Please refer to the definitions in OpenFlow Spec.
e.g.) If you are using OpenFlow 1.3,
please refer to '4.5 Reserved Ports' in OpenFlow 1.3.4
Thanks,
Iwase
>
> Do you have any app handle the cross subnet packet ?
>
> Thankyou.
>
> Best Regards,
> Vinllen
>
>
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