On Tue, Mar 5, 2013 at 1:30 PM, Daniel Borkmann <[email protected]> wrote:
> On 03/05/2013 05:15 PM, [email protected] wrote:
>
>> I wish to stress test a packet sniffer to see what throughput it can have.
>> is it possible with trafgen to send over a million TCP packet per second
>> to an IP ?
>
>
> Depending on your hardware, yes.
>
>
>> what command should I use?
>
>
> See `trafgen -e` for an example. Otherwise `trafgen -h` will further assist
> you.
>
> There are also community wikis, e.g. for Ubuntu
> https://help.ubuntu.com/community/Netsniff-NG .

Zack, the _quickest_ way would be to generate the packet you want with
mausezhan or another similar packet crafting tool e.g. hping3, nmap scapy etc.
Write the single packet to disk and then convert it to a trafgen configuration
 and send it out.

sth like this ( off top of head ).
# Send a single TCP segment with SYN bit set
$ hping3 -c 1 -I eth0 -p 443 -S 192.168.1.1
# Capture single packet, write to disk
$ netsniff-ng --in eth0 --out tcpsyn.pcap
# Convert pcap to trafgen config
$ netsniff-ng --in tcpsyn.pcap --out tcpsyn.cfg
# Send packet x 1000
$ trafgen --in tcpsyn.cfg --out eth0 --num 1000

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