[Tinyos-help] [CTP question] Why no forwarding in TestNetwork

[Hui Kang]

Hi,
Does any one test the forwarding function of the application TestNetwork 
using CTP?
I put three nodes in a line and reduce their tx range, say A, B, and C.  
I set C as the root, so A and B should send data to C.  B and C are in 
the tx range in that the Led of C flashes; to make sure A and C are not 
in the tx range, I put A and B very close so that B is the forwarder for 
A. However, I did not see the data from A reaches C via B.
Is there any wrong with the routing table of B? How can I check this? 
Thanks in advance.

- Hui Kang