[Nfd-dev] ndnping getting nack with reason=Duplicate

[Junxiao Shi]

Hi John

Do you intend to use NDN forwarding to get from n1 via n2,n3,n4,n5 to n6,
or do you intend to rely on IP forwarding?
If "n4 has faces to all nodes except n4", you effectively established an
all-pairs topology on NDN later. Is this the intention?

Yours, Junxiao


On May 26, 2017 12:00 PM, "John Scott" <scott1091 at yahoo.com> wrote:

Hi,

I have a string of nodes all running NFD 0.5.0-32-gaaa58a6 at startup. I
wrote a script to register all remote nodes in the routing table (below).

    #!/bin/bash

    sleep 2
    nfd-start
    sleep 10
    route -n | awk '/10.0.0/ { system("nfdc register / udp4://"$1) }'

My topology looks like this:

n1 <-----> n2 <-----> n3 <-----> n4 <-----> n5 <-----> n6

I verified that all other faces are registered in all nodes (i.e. n4 has
faces to all nodes other than 4).

When I run ndnpingserver on node 1 and ping from n2 until n6 it works. But
when I run ndnpingserver on node 6 and ping from node 1 I get nacks with
reason=duplicate. What can be the reasons for that to happen? I'm using
ndnping 0.3


Thank you for your help.

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