@matt.walls Appliance mode should allow you to connect to FXOS on the FPR2120 - If you are in asa mode and trying to connect to fxos it should work. Please open a case for us to look into this further.
ciscoasa# show fxos mode Mode is currently set t...
@matt.walls Here is the guide on retrieving the core dump from your device if it is generated on the 2100:
https://community.cisco.com/t5/security-knowledge-base/retrieving-coredump-of-an-asa-running-on-firepower-platform/ta-p/4076306
@matt.walls Coredump is enabled by default on Firepower platforms. Since you are running a Firepower 2120 it will be enabled without any further action.
