[Mini-NDN] Failed to add a route towards the advertised content prefix

[JIACHENG HOU]

Hi Mini-ndn team,

I run Mini-NDN with a customized tree topology which contains 65 nodes. All nodes in the network have “hyperbolic-state=off radius=0.0 angle=0.0”. The screenshot below shows part of the nodes in the topology.
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In the network, the root node is the producer and it uses nlsrc to advertise the content prefix. After the root node advertises the content prefix, I waited around 20 minutes to make sure all nodes in the network create a route towards the prefix. After that, the leaf node starts requesting the content. However, there are usually 2 or 3 ndn nodes that are unable to add a route towards the prefix. I checked the nfd log and it shows "NoRoute" for the content prefix.

I am thinking about why this happens and is there a way to solve it?

Besides, I checked the memory usage and it shows there is still available memory space.

Thank you very much for your help.

Best wishes,
Jiacheng

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