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[mininet-discuss] Packets generated by scapy didn't appear in mininet network

Geordy Korte gkorte at gmail.com
Tue Jan 8 04:26:04 PST 2013


Try running a tcpdump in the interfaces from the mininet host. That would be where i would start tracing. My guess would be a mac problem, but a trace will reveal this.

Sent from my iPhone

On 8 jan. 2013, at 12:26, Liyuan Wang <wangliyuan316 at gmail.com> wrote:

> Hi all,
> 
> I'm confused with a problem while using scapy to send packets.
> I built the network in mininet and wrote my own controller. 
> When I tested the network using ping, I can see the statistics changed on my openflow swtich.
> ex. 10.0.0.12 ping -c 1 10.0.0.14
> However, when I ran my scapy program, I can't see the change. It seems like no packet is transmitted.
> ex. send(IP(src='10.0.0.12', dst='10.0.0.14')/"1234")
> But I did see the output from scapy which told me that "sent 1 packets".
> 
> It would be really helpful, if anyone knows this problem.
> 
> Thanks,
> Liyuan
> 
> 
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