[Mini-NDN] [EXT] Issue related to truncated data packets

Junxiao Shi shijunxiao at email.arizona.edu
Tue Sep 22 10:09:44 PDT 2020


Hi Ritu

Please *completely ignore* anything reported by ndndump. ndndump does not
support IP reassembly and thus incorrectly displays "truncated" warning.
I don't see any truncated packets in the pcap. You may analyze the pcap
with NDN Dissector for Wireshark
https://github.com/named-data/ndn-tools/tree/master/tools/dissect-wireshark

What does "map the data packets with the respective file" mean?

Yours, Junxiao

On Mon, Sep 21, 2020 at 21:27 Ritu Bordoloi <bordoloi.ritu1988 at gmail.com>
>> wrote:
>>
>>> *External Email*
>>> Dear Junxiao,
>>>
>>> Thank you again for your quick response. I used tcpdump as you
>>> suggested. However, I can't map the data packets (i.e., chunks) with the
>>> respective file. I am attaching both tcpdump and ndndump files of a host
>>> for the same topology for your reference.
>>>
>>> My aim is to map the data chunks with the respective file, so that I can
>>> calculate the delay between sending an interest and getting back the
>>> corresponding data chunk. Can you give me any further suggestions on this?
>>> That will be very helpful.
>>>
>>> Thank you.
>>>
>>> Regards,
>>> Ritu
>>>
>>>
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