--- title: Capturing in Time-Sensitive Networking Environments with ProfiShark description: Time-Sensitive Networking (TSN) is a set of standards defining mechanisms for time-sensitive transmission of data over Ethernet networks. In order to support TSN environments, Profishark 1G has special requirements in terms of latency, jitter and capture capability. image: https://insights.profitap.com/hubfs/Blog%20visuals/TSN%20Environments/Feature-Brief-Main-Image.png --- [![Profitap](https://insights.profitap.com/hubfs/profitap-logo-white-rev1.png "Profitap")](https://www.profitap.com) - [Solutions](https://www.profitap.com/solutions/) - Products - Resources - Company - - - - # Profitap Blog ### Recent Posts ### Categories - [Network Monitoring (75)](https://insights.profitap.com/topic/network-monitoring) - [Insights (38)](https://insights.profitap.com/topic/insights) - [IOTA (32)](https://insights.profitap.com/topic/iota) - [Copper TAPs (31)](https://insights.profitap.com/topic/copper-taps) - [ProfiShark (24)](https://insights.profitap.com/topic/profishark) - [Fiber TAPs (23)](https://insights.profitap.com/topic/fiber-taps) - [Data Center (17)](https://insights.profitap.com/topic/data-center) - [Network Packet Brokers (14)](https://insights.profitap.com/topic/network-packet-brokers) - 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Deterministic communication is critical to multiple industries (Audio Video Bridging, Automotive, Industrial and Power automation, Mobile Fronthaul Networks). The purpose of the following article is to demonstrate the benefit of ProfiShark 1G in TSN environments and to describe its usage. In order to support TSN, a TAP has special requirements in terms of latency, jitter and capture capability. ![Time Sensitive Networking with ProfiShark](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/Feature-Brief-Main-Image.png?width=800&name=Feature-Brief-Main-Image.png) **Transparent In-Line** Like all Profitap’s in-line TAPs, the ProfiShark is protocol agnostic and L1 passthrough for all frames, tags, and encapsulations. This includes preempted frames (IEEE 802.1Qbu/802.3br), fragmented and CRC-invalid frames. The in-line latency and the jitter introduced by the in-line circuit is minimal, making it suitable for IEEE 802.1AS and 1588 v2. ![Transparent in-line-ProfiShark feature brief](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/Transparent%20in-line-ProfiShark%20feature%20brief.png?width=846&name=Transparent%20in-line-ProfiShark%20feature%20brief.png)    ****Capture Capabilities **** The ProfiShark 1G is capable of capturing any type of frame, including preempted frames (IEEE802.1Qbu/802.3br), fragmented and CRC-invalid frames. ![Capture capability - ProfiShark Feature Brief](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/Capture%20capability.png?width=843&name=Capture%20capability.png)  Moreover, the ProfiShark Manager offers an option to capture the entire L1 Ethernet frame in direct capture. When ‘capture full frames’ option is enabled, the frames are captured with the preamble (0x55), the SMD and the CRC. ![ProfiShark Manager - ProfiShark feature brief](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/ProfiShark%20Manager.jpg?width=759&name=ProfiShark%20Manager.jpg)   **Wireshark Integration** With ‘capture full frames’ option enabled, the PCAP-NG Link-Layer Header is set to LINKTYPE\_ETHERNET\_MPACKET. This Link-Layer type is fully supported by Wireshark since 2.6.0 and allows proper dissection of L1 frames (see Wireshark view below). Once dissected, the additional L1 data is displayed in the Packet detail view and doesn’t conflict with higher protocols. Additionally, fragmented preempted frames can be reassembled in Wireshark. **![WireShark Packet Detail - ProfiShark feature brief](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/WireShark%20Packet%20Detail%20-%20ProfiShark%20feature%20brief.jpg?width=759&name=WireShark%20Packet%20Detail%20-%20ProfiShark%20feature%20brief.jpg)**   The ProfiShark Manager offers different capture options. The different capture options and their effect are listed below. ![Wireshark Integration - ProfiShark Feature Brief](https://insights.profitap.com/hs-fs/hubfs/Blog%20visuals/TSN%20Environments/Wireshark%20Integration%20-%20ProfiShark%20Feature%20Brief.png?width=1068&name=Wireshark%20Integration%20-%20ProfiShark%20Feature%20Brief.png)   We've also created a [PDF version of this article](https://www.profitap.com/wp-content/uploads/ProfiShark-Feature-Brief.pdf), that can also be downloaded through our library. The ProfiShark series are advanced network capture devices that can be used in many situations, now including Time Sensitive Networking environments. If you want to learn more about their origin, you can read more in our post about [The Evolution of Portable Packet Capture Solutions](https://insights.profitap.com/evolution-of-portable-packet-capture).    [![New Call-to-action](https://no-cache.hubspot.com/cta/default/2954816/808fedb2-e8cd-4459-9bc0-64334f0c0d09.png)](https://cta-redirect.hubspot.com/cta/redirect/2954816/808fedb2-e8cd-4459-9bc0-64334f0c0d09) - [Tweet](https://twitter.com/share) by [Laurent Schirck](https://insights.profitap.com/author/laurent-schirck) | Mar 28, 2019 | [Insights](https://insights.profitap.com/topic/insights), [ProfiShark](https://insights.profitap.com/topic/profishark) [**Packet Capture & Analysis**](https://www.profitap.com/iota/) - [IOTA 1G](https://www.profitap.com/iota-1g/) - [IOTA 1G+](https://www.profitap.com/iota-1g-plus/) - [IOTA 10G](https://www.profitap.com/iota-10g/) - [IOTA 10G+](https://www.profitap.com/iota-10g-plus/) - [IOTA 10 CORE](https://www.profitap.com/iota-10-core/) - [IOTA 10 CORE+](https://www.profitap.com/iota-10-core-plus/) - 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