To view data on network traffic flowing through a specific switch, use the Switch selector in the control bar to select the switch that you are interested in. The Switch selector lists the switches that have been included in the sFlowTrend-Pro configuration, or that sFlowTrend-Pro is receiving sFlow data from (see Section 13.2, “Configuring agents in sFlowTrend-Pro ” for details on configuring switches in sFlowTrend-Pro). A switch is listed using its SNMP IP address, sFlow agent address, DNS Name or sysName (see Section 13.4.1, “Setting the switch, interface, and host naming policy”).

The Switch selector in sFlowTrend-Pro also includes an option All switches. When you select All switches, the resulting charts display the overall traffic through the network, such that, if traffic crosses multiple switches, the traffic is counted only once. If you would like to restrict the analysis to specific switches, you can do so by using a filter, for example: agent == "10.0.0.250" || agent = "10.0.0.248", where 10.0.0.250 and 10.0.0.248 are the sFlow agent addresses of the switches that you are interested in (see Section 3.2.2.4, “Filtering for specific traffic” for more information of filtering). The All switches option is not available if the current chart selection is set to Counters or Utilization.

Switches shown in italics in the selection list are disabled, meaning that data is not being stored for these switches. If the currently selected switch is enabled, click the button to disable this switch . If the currently selected switch is disabled, click the button to enable this switch . Multiple switches can be enabled in sFlowTrend-Pro, while sFlowTrend allows one switch to be enabled at a time. Changing the switch selection causes a chart for the newly selected switch to be displayed.

To view data on network traffic flowing through a specific interface, use the Interface selector in the control bar to select the interface that you are interested in. The Interface selector lists the interfaces for the currently selected switch, for which sFlow data is being received and stored. An interface is listed using its ifIndex, ifName, or ifAlias. (see Section 13.4.1, “Setting the switch, interface, and host naming policy”). Changing the interface selection causes a chart for the newly selected interface to be displayed.

The Interface selector also contains an option All. Selecting this option allows you to view traffic flows through the whole switch (across all interfaces). This option is not available if the current chart selection is set to Counters or Utilization, since these charts can only display data for a single interface.