# Notification Center

The Notification Center allows you to filter and sort the notifications that EI Tunnel Manager sends you. You can access the Notification Center from the main menu or from the notification bell icon.

For access from the main menu, click on the Menu icon and select Notification Center.

For access from the notification bell, click on the bell icon in the upper right corner of the home page to see the latest notifications.

Click on the See All button to open the Notification Center.

## Notification Center Features

Number | Element | Description
1 | Sort Options | Click on the Sort By dropdown to sort your notifications according to the following options: Service Name: Sorts the notifications according to service name of the notifications. Created At: Sorts the notifications according to the date of creation. Level: Sorts the notifications according to the level of the notification (Info, Warning, Error, or Critical). Is Read: Sorts the notifications according to whether the notification is read. Arrived At: Sorts the notifications according to the date of arrival. Click on Sort Direction dropdown to determine the order of the notifications: Ascending Descending
2 | Filter Options | You can filter the notifications by using the following filter options: Arrived At: When the notification arrived in the Notification Center. Created At: When the notification is created. Service Name: Type in the Service Name of the notification. Title: Type in the title of the notification. Details: Type in the details of the notification. Is Read: Filters your notifications according to the status of the notification (Read/Unread). Notification Level: Filters according to level (Info, Warning, Error, or Critical).
3 | Mark Filtered as Read | Mark the filtered notifications as read.
4 | Reset All Options | Clears the selected Sort and Filter options.
5 | Notification | Click on the notification to see the details. Click on the Mark as read button to mark the notification as read.
6 | Paging buttons | Click on the Items per page dropdown to choose the number of notifications showed on the screen. Click on the arrows to turn pages between the notifications.

## Notification Levels

The Notification Center displays four levels of notifications:

- Info: Updates about general processes. No action is required.
- Warning: Caution, your process can be halted. You have to resolve the issues in the notifications before continuing.
- Error: Blocks your process. You have to resolve the issues in the notifications before continuing.
- Critical: Your process is no longer working. You have to resolve the issues in the notifications before continuing.

## Notification List

Service Name | Event | Notification Level | Title | Message
--- | --- | --- | --- | ---
ALERT | When an alert gets triggered. | Info, Warning, Error | <Alert Name> | <Alert Description>
ARCHIVER | Archiving process started, collecting data. | Info | Collecting data for <existingProcess.Title> | Archiving process <existingProcess.Title> (ID: <processId>) has started collecting data.​
The zipping process started. | Info | Started <existingProcess.Title> | Archiving process <existingProcess.Title> (ID: <processId>) has been started.
The zipping process finished. | Info | Finished <existingProcess.Title>' | Archiving process <existingProcess.Title> (ID: <processId>) has been finished successfully.
Archiving process cancelled. | Info | Cancelled <existingProcess.Title>​ | Archiving process <existingProcess.Title> (ID: <processId>) has been cancelled.
Failed running the archiving process. | Error | Failed <existingProcess.Title> | Archiving process <existingProcess.Title> (ID: <processId>) has failed.
Failed cancelling the archiving process. | Error | Failed to cancel <existingProcess.Title> | Archiving process <existingProcess.Title> (ID: <processId>) has been failed to cancel.
COGNAMER | CogNamer packet initiated reboot. | Warning | Packet initiated reboot | Reboot has been initiated on the EI Tunnel Manager box remotely via CogNamer. Wait until it boots up before applying any new modifications.
CONNECTIVITYLAYER | ConnectivityLayer started polling data from device. | Info | Collecting data from <_device.Name> started. | Polling logic collecting <requestedEvents> from the device.
Could not log in to device to collect data. | Error | Could not login to device <_device.Name> | Polling logic failed to login to device.
Could not connect to device to collect data. | Error | Collection stops for device <_device.Name> | Polling logic failed to connect to or get data from the device.
FILESTORAGE | FileStorage recovered from database errors. | Info | File save restored | Saving to the database has been recovered.
Low free space is detected. | Error | Storage manager failure | Your SSD has reached critical storage limit. Please reboot the system to try and restore storage management. Call Cognex tech support if you see this error again.
FIRMWAREUPGRADE | Firmware upgrade started. | Info | Firmware upgrade | Firmware upgrade process has been started on the EI Tunnel Manager box.
Firmware upgrade finished. | Info | Firmware upgrade | Firmware upgrade process has been finished. The EI Tunnel Manager box is going to be restarted soon. Wait until it boots up before applying any new modifications.
NETWORKMANAGER | The availability of one of network interfaces of the box changed. | Info | Network availability changed | Network <Network Name> is available.
After network settings have been saved. | Warning | Reboot is initiated | Network setting changes were successfully saved. The system is going to be rebooted shortly.
When someone reboots the box from the UI. | Warning | Manually initiated reboot | A reboot has been initiated on the EI Tunnel Manager box. Wait until it boots up before applying any new modifications.
MQTTFORWARDING | On updating MQTT settings. | Info | MQTT settings updated | Applying new MQTT connection settings. Failed connections will result in an error notification.
On successful connection to MQTT server. | Info | Connection successful | Successfully connected to MQTT server.
On unsuccessful connection to MQTT server. | Error | Failed to connect | Connection accepted. Attempted to connect with MQTT v3.1.1 but server rejected that protocol version. Attempted to connect with Client ID 'EI00D0COGNEX' but server rejected that ID. Network Connection made but the MQTT server is unavailable at <IP address>:<port>. Server rejected username and password. Check user credentials on the MQTT Forwarding page. Client is not authorized to connect to the MQTT server at <IP address>:<port>. Failed to connect with MQTT Return Code 6.
On disconnection with MQTT server. | Error | Unexpected MQTT disconnection | Unexpected disconnection from MQTT server. Attempting to reconnect.
On failure to reconnect with MQTT server. | Error | Failed to connect | The connection attempt to the MQTT server at <IP address>:<port> failed due to a connection timeout. Automatically retrying.
TUNNELMANAGER | On license activation. | Info | License activated | The EI Tunnel Manager license has been activated.
On license expiry. | Warning | License expired | The EI Tunnel Manager license has expired. Limited capabilities are available.