Symptom

The "yes" option for enabling the memory tracker enable command is not accepted by the Secure Firewall Threat Defense (FTD) Command Line Interface SHell (CLISH). > memory tracking enable WARNING: Recommend to configure the below settings before enabling memory-tracking: app-agent heartbeat interval 6000 retry-count 10 Do you still want to continue (yes/no)? [no]: > yes <--- Here pressing enter does not return the prompt. > show memory tracking ERROR: memory tracking is not enabled.

Conditions

Enable memory tracking in FTD CLISH.

Workaround

Run the memory tracking enable command in diagnostic CLI: > system support diagnostic-cli Attaching to Diagnostic CLI ... Press 'Ctrl+a then d' to detach. Type help or '?' for a list of available commands. FW3140> enable Password: FW3140# memory tracking enable WARNING: Recommend to configure the below settings before enabling memory-tracking: app-agent heartbeat interval 6000 retry-count 10 Do you still want to continue (yes/no)? [no]: yes WARNING: Enabling memory tracking will impact the performance till it is disabled. Do you still want to proceed? (yes/no) : ERROR: tracking is already enabled. FW3140# show memory tracking Hardware: FPR-3140 Cisco Adaptive Security Appliance Software Version 9.19(1) ASLR enabled, text region 55d155e2b000-55d15a4d2cfd memory tracking by caller: bytes-threshold: 0 allocates-by-threshold: 0 2291 bytes from 0 allocates by 0x000055d158f53d34 1344 bytes from 4 allocates by 0x000055d158f53d54 104 bytes from 1 allocates by 0x000055d158f53f69 38 bytes from 2 allocates by 0x0000154d0e85bc20

Further Problem Description