thanks
---------[ Received Mail Content ]----------
Subject : Re: [Tcpreplay-users] Firewall tests
Date : Wed, 7 May 2008 08:36:37 -0700
From : "Aaron Turner" <[EMAIL PROTECTED]>
To : "Main forum for tcpreplay" <tcpreplay-users@lists.sourceforge.net>
On Wed, May 7, 2008 at 7:03 AM, Mohamed Kouki <[EMAIL PROTECTED]> wrote:
> Hi all , i'm testing a firewall performances , for that i have to gather
> many metrics eg : Bit forwarding rate , concurrent connection s, connection
> establishement time , connection maintenance.......
> plz if anyone can help me with a test scenario coz i really don't know how
> to do it with tcpreplay , is ther any way to get details about the time
> taken by the packet to reach its destination and other informations
> plz help me it's so urgent
> thanks a lot
> mohamed kouki
Well I can't write your test plan for you, but in general you'll need:
1) Some pcap files of the type of traffic you want to test with.
Basically pcap's of "real world traffic" or whatever meets your test
criteria needs. Might want to throw in some malicious traffic in
there too.
2) A way to monitor the performance of the firewall. SNMP is probably
a good generic solution, but your firewall might have something
better.
3) Two boxes- on a web server the other a client. Put one on either
side of the firewall and use them to verify the firewall is still
properly passing traffic. There's plenty of web performance tools on
Freshmeat.net which would give you information about latency, and
other performance metrics. Comparing performance numbers w/ and w/o
the firewall as well as w/ and w/o load would tell you the effect the
firewall has on network performance.
Then use tcpreplay's feature to send traffic at different speeds. You
can use packets/sec or Mbps for example. This is where the new v3.3.0
code can really help. Be sure to read the online manual for more
info: http://tcpreplay.synfin.net/trac/wiki/tcpreplay#ChoosingaTimingMethod
Anyways, it would be great that once you've written your test plan if
you could share it with others. I'm sure a lot of people would find
it useful. Also, if you can, share your pcap files on openpacket.org!
--
Aaron Turner
http://synfin.net/
http://tcpreplay.synfin.net/ - Pcap editing & replay tools for Unix
They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. -- Benjamin Franklin
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