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Physical Topology

The Physical Topology console displays your network as a bubble chart of interconnected devices, grouping objects based on which upstream device they are connected to, with comparative bubble size used to illustrate traffic volume. This console can be filtered by Device Traffic, Device Count, Device Type, or No Devices, which displays only networking devices.

You can mouse over a device’s bubble to see its Name, IP Address, and traffic volume data. You can also double-click on any bubble to zoom it to a reasonable size, as some may be much smaller or larger based on their traffic volume.

You can sort the bubbles by Bytes Sent/Recieved, Packets Sent/Received, Bandwidth, Dropped Bytes, and Sessions. Some options are not available in longer historical data periods.

FortiGates and other networking devices are depicted as boxes. You can mouse over a FortiGate’s box to see its Serial Number, Hostname, and Firmware Version/Build.

Information about upstream devices will not be available unless you properly configure the Upstream FortiGate settings in System > Cooperative Security Fabric.

Scenario: Determining which device is overusing bandwidth

From the Physical Topology console, you can use filters and sorts to narrow down the session data to look for specific information. In this example, the filters will be used to locate a device that is using excessive bandwidth.

  1. Go to FortiView > Physical Topology.
  2. Select 24 hours from the Time Display options.
  3. Select Device Traffic from the dropdown list to the left of the Time Display options, then sort by Bytes (Sent/Received). Mouse over the largest bubble in the chart to see details about the device that has transmitted the most data.
note icon Only FortiGate models 100D and above support the 24 hour historical data.