![]() A click on the Add planned capture button opens a dialog where the planned capture can be configured. On this tab captures to a storage device can be planned ahead of time and these captures can even be set to repeat automatically. The Use as expert filter button will copy the capture filter into the expert filter input field and allows for customizing the capture. The Remove favorites button allows for cleaning the list. For each favorite capture a PCAP button is available to simply start this capture again. A description can be given and will be displayed in this list. A capture can be marked as a favorite either in the capture dialog by clicking on the star button in the top right corner or by marking it as a favorite in the Recently captured list. This list shows favorite capture expressions. The button Delete list of recent filters will delete all entries from this list. Next to each capture filter there is a button to permanently save this capture filter as a favorite as well as a button to simply start a capture with this filter again. The most recent capture filter is displayed on the top. This list shows the most recently used capture filters for the current user. the capture download) and the capture filter which was used for the capture.The button Delete list of finished captures will delete all entries from this list. For each entry the following information is displayed: the packet capturing mode, the type of capture, the start- and end-time of the capture (the actual real-time when the capture was initiated and ended), the number of captured/dropped/ignored packets during the capture, the amount of data generated for the capture (along with the average throughput of e.g. It shows up to 100 entries while the oldest entries are discarded when the list is full. This list shows the last captures that have finished. If multiple devices have been configured, the list also contains all captures from all multi-devices which can be stopped individually. Downloads can also be stopped by clicking the same capture button that started the capture in the corresponding module. The last column contains a button to stop the corresponding download. The following columns list the applied filter criteria. Ignored packets do not match the given capture filter. The counter is the total amount of packets not available in the ring buffer, which are not necessarily part of the capture filter. In retrospective capturing, the drop counter only indicates that some packets may have been missed. It happens when the ring buffer dropped packets during the capture interval due to insufficient bandwidth available on the storage devices. Packet drops are also accounted when capturing from the past out of the ring buffer. During live capture, the drop counter is the exact number of packets matching the filter but were dropped because of the reasons mentioned previously. Packet drops can appear when doing live capture and more packets are captured than can be transferred via HTTP to the client, or the storage is not capable of storing all matching packets. the number of packets dropped by the capturing module.the number of packets captured for the corresponding filter. ![]() The list contains the client IP and port of the user running the download. The first part of the page displays all downloads running for the current user session, and all downloads running for other user sessions (like when a download has been started outside the browser by directly using command line tools such as wget or curl). The capture module page displays all currently running captures and allows starting new captures with specific filters. The capture module allows to configure filter for traffic that has not even started right now, for example for an IP address that is not in use at the moment but might be used later. These buttons allow capturing specific traffic, for example for a certain IP address or a network protocol. Capturing network traffic is usually started by clicking on a PCAP button in a certain module. In addition, it is also possible to capture network traffic to an attached storage device, see the settings section below for details. Traffic can be directly filtered for specific packets, only the relevant packets will be captured. No packet data is stored on the device itself. The Allegro Network Multimeter allows direct capturing of network traffic as a HTTP download to your computer. 1.3 Using expert filters to start captures.
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