[ns] how to set different energy level for each nodes

Hi, i want to set different energies for different nodes in the tcl file below: set val(chan) Channel/WirelessChannel;# channel type set val(prop) Propagation/TwoRayGround ;# radio-propagation model set val(netif) Phy/WirelessPhy;# network interfa

[ns] TCP/FullTcp done_data

Hello, Anyone using FullTcp agents and noticing that done_data is being invoked twice in the lifetime of a single flow? Regards