[Click] Generating packets in ns-3-click

[Lalith Suresh]

Hi,

On Sat, Sep 22, 2012 at 12:52 AM, Jesse Brown <jbrown at atl.lmco.com> wrote:
> All:
>
> Note: I've also posted this to the ns-3-users list but I've got no
> response so far.
>
>
> I am running ns-3 with click integration and I'd like to generate
> packets from within the click graph instead of from within ns-3
> components. I'm having trouble, however, getting the packets to inject
> properly into the simulation. Here is my approach:
>
>  From within a click element I create a new packet with Packet::make.
> Source IP is assigned the node that is creating the packet and
> destination is the broadcast address 10.1.255.255. If I place a Print
> element in line after this in the router I see the following:
>
> ...:   36 | 45000024 00000000 40110000 0a010101 0a01ffff 02ba02ba
> 00100000 31302e31 2e312e31
>
> which looks reasonable. I also have UDP traffic being generated from an
> ns3::UdpSocketFactory. That traffic looks like
>
> ...:  540 | 4500021c 02610000 40110000 0a010101 0a010102 c001c350
> 02080000 00000000 00000000
>
> So the format looks reasonable but the click packet hits the wire as
> some LLC protocol (presumably from lack of proper header application)
> while the ns-3 packet goes out as a proper UDP packet. Every packet
> follows the same path out of the router.
>
> I tried to modify simclick_simpacketinfo within the packet to properly
> represent the simulation id but with no luck.
>
> Is there some process by which packets generated within click can be
> incorporated into a running simulation?
>

This is supposed to work out of the box. Can you please send me the
simulation scripts and click files that you're using along with the
ns-3 and click revision numbers?

P.S: I'm travelling now and will be slow to respond

>
> Thank you,
>
>
> Jesse
>
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-- 
Lalith Suresh
www.lalith.in