Hi Leonel,

Why not take a look at an emulation tool like the Common Open Research Emulator (CORE) ? This gives you the much needed

* Scalability in terms of number of nodes
* Customizability in terms of the services/applications that you want to run on nodes,
* Fine grained control over connectivity making/breaking by configuring mobility scenarios.

* Ease of use manually (GUI) and programatically (python API).

Hope that helps.

Thanks and regards,

Vijay

On Thu, May 4, 2017 at 1:42 AM, Leonel Gaspar Soares <leonelgasparsoares@gmail.com> wrote:

Thanks for the guidance! In my simulation, I have one more issue... I want to block traffic in nodes, wifi interface, but iptables rules don't seem to block the UDP packetes from MIH in port 4551 (discovery beacons?)... I've tried

iptables -A INPUT -i adhoc -j REJECT
iptables -A OUTPUT -o adhoc -j REJECT

iptables -A FORWARD -i adhoc -o adhoc -j REJECT
iptables -A FORWARD -i adhoc -o adhoc -j REJECT

ip6tables -A INPUT -i adhoc -j REJECT
ip6tables -A OUTPUT -o adhoc -j REJECT

iptables -A INPUT -m pkttype --pkt-type multicast -j REJECT
iptables -A OUTPUT -m pkttype --pkt-type multicast -j REJECT

iptables -A FORWARD -m pkttype --pkt-type multicast -j REJECT
iptables -A FORWARD -m pkttype --pkt-type multicast -j REJECT

But I can not simulate connectivity loss, beacause udp packets in port 4551 keep on comming, although these rules are applied... anyone tried iptables for simulation of connectivity loss with ibr-dtn?

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