Core file from NSX T is needed during troubleshooting issues
VMware NSX T 3.x
VMware NSX 4.x
Scaled up environments (logical-routers) may experience issues with dataplane traffic. Retrieval and examination of a core file may help with the troubleshooting.
a. Identify the PID of the datapathd process:
#ps -ef | grep -i datapathd
b. Run following command
#/opt/vmware/nsx-edge/sbin/gdb --pid=$processID
(gdb) generate-core-file
c. core file will be generated in the directory from where the command was executed