To diagnose the SNMP AL issue with the RT4000 NT013 on the GT Network Manager program, you can try the following steps:
- Check the SNMP settings on the RT4000 NT013 device to ensure they are correctly configured
- Verify the SNMP configuration on the GT Network Manager program to ensure it is properly set up
- Restart the GT Network Manager program and the RT4000 NT013 device to see if that resolves the issue
- Contact technical support for further assistance if the problem persists.