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IMPORTANT
SNS 3.x versions have reached End of Maintenance since July 1st, 2024.
We recommend that you update your SNS firewalls to a version with maintenance to guarantee the protection of your infrastructure.

# Interfaces monitoring

## "Real time" tab

This module presents two indicators in the form of graphs for each network interface selected in the Configuration > Monitoring configuration module:

- Bandwidth use (incoming throughput, outgoing throughput),
- Number of connections (TCP, UDP).

### Possible operations

Collapse all | The button allows all graphs on the page to be collapsed at once.
Expand all | The button allows all graphs on the page to be expanded at once.
Add a column | This button makes it possible to increase the number of columns to be displayed for curves and other information. Therefore, information will be grouped in the same column for each active interface.
Remove a column | This button makes it possible to reduce the number of columns to be displayed for curves and other information.
Configure network interfaces | This link makes it possible to go directly to the network interface configuration module (Configuration > Network > Interfaces).
Go to monitoring configuration | This link allows going directly to the configuration module of network interfaces to be monitored.

### Interactive features

- Left-clicking on an indicator listed in the legend allows hiding/showing the corresponding data on the graph.
- Scrolling over a curve with a mouse will display the value of the indicator and corresponding time in a tooltip.

## “History” tab

This tab sets out history graphs showing bandwidth use and the number of packets accepted/blocked for each monitored interface (except for VLANs).

### Possible operations

Time scale | This field allows selecting the time scale: last hour, views by day, last 7 days and last 30 days. The last hour is calculated from the minute before the current minute. The view by day covers the whole day, except for the current day in which data run up to the previous minute. The last 7 and 30 days refer to the period that has ended the day before at midnight. The button allows the displayed data to be refreshed.
Display the | In the case of a view by day, this field offers a calendar allowing you to select the date.
Collapse | The button allows all graphs on the page to be collapsed at once.
Expand | The button allows all graphs on the page to be expanded at once.
Add a column | This button makes it possible to increase the number of columns to be displayed for curves and other information. Therefore, information will be grouped in the same column for each active interface.
Remove a column | This button makes it possible to reduce the number of columns to be displayed for curves and other information.

### Interactive features

- Clicking on an indicator listed in the legend allows hiding/showing the corresponding data on the graph,
- Scrolling over a curve with a mouse will display the value of the indicator and corresponding time in a tooltip.
- Clicking on the button to the right of each graph will prepare graph data for printing. Comments can be added before you confirm printing (Print button).