The following bug has been resolved in the MR v2.3.4-5 release.
Issue Key Summary
CWIFI-12931- The APX320 experiences intermittent behavior where the ethernet Rx gets into a stuck condition. This causes the APX320 to go into an inactive or offline state. A fix has been taken in the driver for the APX320 to prevent this issue.
Please visit for a list of known issues: https://doc.sophos.com/support/kil/index.html.