Help Index Home > Traffic > Trend

The Filter bar at the top of the screen provides a way to navigate through the network hierarchy (see File>Configure to see how to group network devices). At the top level, a list of Zones is shown, once you have selected a zone, the view will drill down to only show information from the selected zone, and a list of Groups will appear. Select a group and the view will drill down to only show the information from the selected group and a list of Agents will appear. Finally if you select an agent, its Interfaces will be shown. Click on the links at any level in the path and you will move back up the tree to that level. If a single agent has been selected a Details button will appear. Click on the button to see detailed information about the agents (see Search>Agent/Interface).

The following Filter options are available:

The charts can be divided into three broad categories: charts based on packet counters, charts based on unidirectional packet flows (expressed in terms of source and destination addresses for packets) and charts based on bidirectional connections (expressed in terms of traffic in and out of clients and servers).

Counter based charts are only available when you drill down to individual interfaces (see Filter above for information on selecting an interface). The following counter based charts are available:

In order to see flow or connection based charts, there needs to flow data available from the network devices in the selected navigation path. You can see the availability of flow and counters data by the colors of the status boxes in the Traffic>Status view.

By default, the legend in a bar chart will reflect the top contributors to the latest bar. Click on any bar to see the top contributors during that minute (and any traffic they may have generated at other times). Click on the last bar to restore the default behavior of displaying contributors to the most recent minute. The gray part each bar represents traffic not attributable to the sources in the legend.

Click on addresses, protocols, or flows in the legend to obtain further information on the selected item. If you click on an address, information about the address (including its location in the network will be displayed (see Search>Host). If you click on a protocol, information about the protocol will be displayed (see Search>Protocol). Finally if you click select a source,destination flow you will see information about the path that the traffic takes through the network (see Search>Path). Click on the Traffic tab to return to your chart.

Note: You must click on a protocol or host if you want to be able to use it as a filter in other Chart selections.

The following flow based charts are available:

The following connection based charts are available: