Use this slider to control how much data is captured for each packet. The minimum is 64 bytes, which is usually sufficient for all packet headers. The maximum setting captures all the bytes in each packet.

The larger the amount of data to be captured, the more work tcpdump has to do, and the more likely it is to drop packets in busy networks.

Use this slider to set the maximum amount of data that can be captured. The appropriate setting for your system depends upon your CPU speed, the amount of physical RAM you have installed, and the overall speed of your hard disk.

A new capture buffer is created whenever you click on the Start button. You may need to keep this in mind if you plan to run multiple captures concurrently.

The minimum buffer size is 1 megabyte and the maximum is 512 megabytes.

If this option is enabled when FrameSeer launches, the first capture window will automatically start to capture on your Primary Interface.

If enabled, FrameSeer asks tcpdump to deliver packets as they are captured, and FrameSeer decodes the packets on receipt. If Dynamic Display is disabled, FrameSeer does not attempt to decode any packets until the capture is terminated.

Dynamic Display uses more CPU resources than non-dynamic display and may affect overall capture performance in busy networks.

If you hold down the Option key as you click on the Start button, FrameSeer will use the opposite value to the one selected here for the next capture operation.