[Nfd-dev] Troubleshooting interest path

[Davide Pesavento]

On Thu, Sep 8, 2016 at 7:23 AM, Burke, Jeff <jburke at remap.ucla.edu> wrote:

> I doubt my problem is complicated.  But in trying to figure out why this
> doesn’t work, I am curious what the state-of-the-art is for tracing
> Interest/Data exchange?  If I want to see whether an Interest expressed by
> Consumer hits the Repo, is my only solution to watch the logs in NFD2 (or
> for anything potentially in the path, in a larger example), keep track of
> which face Repo corresponds to and see if things are forwarded?     Repo-ng
> doesn’t seem to say/log much itself.. but more generally the question here
> is about whether there are techniques to do Interest/Data packet tracing
> without manually- or custom- instrumenting each potential node in the
> path(s).
>
>
>

Hi Jeff,

You can use ndndump, or you can capture a trace in pcap format and then
read it with Wireshark + the NDN dissector. Both are available in the
ndn-tools repository.

Thanks,
Davide
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