[Click] nsclick promiscuous interface

[Bart.Jooris]

Hello Nicolas,

I added your patch and the sniffer works like a charm :)
I would like to understand the code you added, I actually
expected some kind of relation to the setpromiscus(promisc)
in the mac/ll-ext.cc?

Thanks a lot,

Bart.

Nicolas Letor wrote:

>Hello ,
>
>The ns2 802_3 MAC doesnt send any packets to the host sniffers
>(through to the tap). I fixed it by adding on line 302 of
>mac/mac-802_3.cc the following:
>
>< 	/* --- tap out     --- */
>< 	if (tap_ ){
>< 	
>< 		if (!tap_filterown_ || ((dst != index_) && (dst != BCAST_ADDR))) {
>< 			tap_->tap(p);
>< 		} 
>< 	
>< 	}
>< 	/* --- tap out end --- */
>
>Greetz,
>Nicolas Letor
>UA
>
>On 6/1/05, Bart.Jooris <bart.jooris at intec.ugent.be> wrote:
>  
>
>>Hello,
>>
>>Based on the information I found from Mike (November 2004 Archive) I added
>>a sniffer to the simple wired lan example (nsclick tutorial by Michael Neufeld).
>>
>>This is the code of my Sniffer.click:
>>
>>  // Sniffer
>>  //
>>  FromSimDevice(eth0,4096) ->
>>        ToDump(Sniffer)->
>>        Discard;
>>
>>  Idle->
>>        ToSimDevice(eth0);
>>
>>I inserted this code in the tcl script after the node generator for loop
>>
>>  set i 4
>>
>>  set node_($i) [$ns_ node]
>>  $node_($i) add-wired-interface $chan_1_ $netll $netmac \
>>          $netifq 1 $netphy
>>*  $node_($i) setpromiscuous 0 1*
>>  $node_($i) random-motion 0
>>  $node_($i) topography $wtopo
>>  $node_($i) nodetrace $tracefd
>>  [$node_($i) set classifier_] setnodename "node$i­sniffer"
>>  [$node_($i) entry] loadclick "Sniffer.click"
>>
>>
>>After running the simple wired lan example I opened the
>>Sniffer file with ethereal. There was only one entry, the arp broadcast :(
>>
>>any ideas on this?
>>
>>Thnx,
>>
>>Bart.
>>
>>
>>
>>Hello-
>>You can do promiscuous mode in nsclick, you just have to enable it from
>>the tcl part of your scripts. For example, to make eth0 go promiscuous:
>>
>>$node setpromiscuous 0 1
>>
>>-Mike
>>
>>
>>
>>Nicolas Letor wrote:
>>    
>>
>>>/ Hello,
>>>      
>>>
>>/>/
>>/>/ In the nsclick user manual (p11) there is a  simple bridge example
>>/>/ with the following click script.
>>/>/ "
>>/>/ FromSimDevice(eth0, 4096) -> Queue -> ToDump(eth0.txt) -> ToSimDevice(eth1);
>>/>/ FromSimDevice(eth1, 4096) -> Queue -> ToDump(eth1.txt) -> ToSimDevice(eth0);
>>/>/ "
>>/>/
>>/>/ I tried it out, but it doesn't work because the bridge can only
>>/>/ forward packets who a broadcast address.  So I thought by enabling
>>/>/ promiscous mode the bridge example.
>>/>/
>>/>/ Unfortunately nsclick's FromSimDevice doesn't support promiscous mode.
>>/>/  Has anyone an idea to solve this problem of promiscous mode?
>>/>/
>>/>/ Thanks,
>>/>/ Letor Nico/
>>
>>--
>>Bart Jooris
>>Department of Information Technology (INTEC)
>>Gaston Crommenlaan 8 bus 201
>>B-9050 Ledeberg
>>
>>Location:
>>Complex Zuiderpoort - Blok C0 - Bureau 3.13
>>
>>
>>
>>_______________________________________________
>>click mailing list
>>click at amsterdam.lcs.mit.edu
>>https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>
>>    
>>
>
>.
>
>  
>


-- 
Bart Jooris
Department of Information Technology (INTEC)
Gaston Crommenlaan 8 bus 201
B-9050 Ledeberg

Location:
Complex Zuiderpoort - Blok C0 - Bureau 3.13

E-mail: Bart.Jooris at intec.UGent.be
Tel. +32 9 33 14.977
Fax  +32 9 33 14.899
Gsm  +32 474 59.53.42