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Network Tools

Menu path: Tools > Network Tools.

The following network tools are available:

• PING
• Netstat
• Process State
• IP Configuration
• NTP Status
• Traceroute
• SMTP
• SSH

The ping command sends ICMP echo request to a network hosts. The host can be expressed as an IP address or resolvable site name. The number of pings can be selected as unlimited or limited. Press the START button to start pinging, and STOP to end the pings. The ping command is fully documented at: http://man7.org/linux/man-pages/man8/ping.8.html.

The netstat command is used to show different types of connections to and from A3, interface information, port information, and routing details. The options available are:

• Display routing table information
• Display comprehensive network statistics for each protocol
• Display multicast information
• Display the state of all current socket connections

Press the START button to start netstat, and STOP to prematurely end the display. The netstat command is fully documented at: http://man7.org/linux/man-pages/man8/netstat.8.html.

The ps (process state) command is used to show a snapshot of the processes running on A3. The options available are:

• Display every process on the system using standard syntax
• Display every process on the system using BSD syntax
• Display process tree
• Display information about threads

Press the START button to start ps, and STOP to prematurely end the display. The ps command is fully documented at: http://man7.org/linux/man-pages/man1/ps.1.html.

The IP configuration command (ifconfig and NetworkManager) display the IP address and network mask for every interface as well as DNS configuration information. The options available are:

• Display IP configuration
• Display DNS information

Press the START button to start the tool, and STOP to prematurely end the display. The ifconfig command is fully documented at: http://man7.org/linux/man-pages/man8/ifconfig.8.html and NetworkManager is described at: https://developer.gnome.org/NetworkManager/stable/NetworkManager.html.

The NTP Status tool extracts and displays information related to the Network Time Protocol used for time synchronization between hosts. The options available are:

• Display current time settings
• Display information about the current time sources
• Display parameters about the system's clock performance
• Display the last valid measurement and other NTP-specific information about all NTP sources

Press the START button to start the tool, and STOP to prematurely end the display.

The traceroute command is used display the path and delays of packets across an IP network. The host to trace to can be expressed as an IP address or resolvable site name. Press the START button to start the tool, and STOP to end the operation. The traceroute command is fully documented at: http://man7.org/linux/man-pages/man8/traceroute.8.html.

The SMTP command is used to test A3's email configuration which was defined in Alerting (the SMTP Configuration link at the bottom of the page will bring up that configuration page). Enter a valid email address into the field. Press the START button to start the tool, and STOP to end the operation.

The SSH tool enables secure access to an A3 server. The service is disabled by default and must be enabled for a time period, after which it will be automatically disabled. Login credentials are required as well.

A separate SSH tool may then be used to access the A3 server.