I'm trying to get the NuttX simulator working with TCP/IP networking. I used the sim:nsh defconfig as a base, then used "make menuconfig" to select TCP/IP, ICMP, and ping commands. My host is Ubuntu 19.10 Eoan. I installed bridge-utils and configured a bridge device nuttx0 and gave it an IP address 10.0.1.1. From linux I can ping the bridge. I can compile and run the simulator. Commands seem to work. I can configure the eth0 interface with IP address 10.0.1.2 and bring it up using ifup. But when I try to ping the bridge, the nuttx simulator immediately exits with no messages. I checked the .config against the sim:nettest defconfig, and my settings in .config match that one. What am I doing wrong? How do I debug this?
I don't use TCP/IP networking with the simulator. Perhaps Xiao Xiang will respond later.
I am creating a simulator example that runs the TCP blaster example using the loopback 127.0.0.1 device. I will give that to you once I verify it.
