Marco,
If you can afford it, you should uses an Ixia traffic generator. (Also
SmartBits makes a similar tool.) You can create all kinds of packets
include ones with bad CRC and other problems with the format. You can
force it to generate weird headers and other 'malformed' packets. This
would allow much more testing than just correct packets, which it also
can do.
Brad
Marco wrote:
Hi all,
I am new to this mailing list and hope it is the right place to place
my question. If not, I am thankful for suggestions where to place it
instead.
I have to connect to a phy using a FPGA. So far, the FPGA only
implements the Data Link Layer. On top of that, the data is just
looped back to the sending computer. I use a package generator tool to
send data.
Now I want to test if the implementation of the Data Link Layer
together with the loopback works correctly. Therefore I am searching a
tool to capture the traffic on the network card of the computer. I
want something to capture the outgoing and incoming traffic so that I
am able to compare these.
I thought of tcpdump but I am not sure if it is able to capture
traffic on such a low layer. Can tcpdump do that? If not, what other
tools could you recommend?
Thanks a lot in advance!
--
Best regards,
Marco
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