Use the following CLI command to check the status of CTF. See Command-Line Interface Getting Started for more information on using a command line to interact with Ericsson Cradlepoint routers.
cat /status/system/debug_info/net
This command returns the attribute nf_ctf_disable with a value of 0 or 1.
0 indicates that CTF is enabled,
1 indicates that CTF is disabled.