How to use wireshark to monitor network traffic. 2. DHCP from the "Ethernet port 2" side (outside the Wireshark laptop) addressed both the Wireshark laptop and the other computer, but network transactions from either computer wouldn't work. Use File, Save as to create an analysis file in the specified format. It lets you dissect your network packets at a microscopic level, giving you in-depth information on individual packets. We have kids going through those ages, and I want to have Jul 13, 2019 · On the other hand, LiveCapture is for reading from a live interface, so I opted to use it for monitoring live network traffic. Jan 6, 2023 · Learn how to capture data packets from any website using the Wireshark application. Once you are only capturing traffic from a single port, it is alot easier to tell who is sending/receiving each packet. As a network packet analyzer, Wireshark can peer Learn how to use Wireshark to easily capture packets and analyze network traffic. pcap file for analysis or troubleshooting. This should give you something like the following. Check to see that “Mon. Oct 24, 2019 · Learn how to download, install, and use Wireshark to capture and analyze network packets. A display filter is set in the toolbar. Double-clicking on the capture interface you want to capture traffic to start capturing packets. In Capture options table. Network packets will begin appearing on the screen as colored lines of text. Feb 14, 2019 · This monitor mode can dedicate a port to connect your (Wireshark) capturing device. For example, click the name of your wireless network card to monitor a wireless network or the name of your wired network adapter to monitor a wired network. Start a Capture. pcap in a format compatible with Wireshark. Find out how to use display filters, capture options and packet details to troubleshoot network issues. 4. Jun 27, 2022 · Learn how to use Wireshark, a network protocol analyzer, to inspect and capture network traffic on Windows PCs and Macs. Move to the previous packet, even if the packet list isn't focused. 1 200 OK. If there are anomalies in the report, install a sniffer to capture packets and use Wireshark to analyze the packets. 41 1 2. We must know e Nov 25, 2023 · Select the network adapter that corresponds to your network connection within the virtual machine. switch to Plugins tab. It runs on most computing platforms including Windows, macOS, Linux, and UNIX. On Windows if you don’t know the IP address then open a command prompt and enter the following command: Wireshark · Go Deep Wireshark is available for free, is open source, and is one of the best packet analyzers available today. Apr 20, 2023 · Follow these steps to read SSL and TLS packets in Wireshark: Open Wireshark and choose what you’d like to capture in the “Capture” menu. You’ll see a short readout displaying some information about the capture session. Get started with Wireshark using this Wireshark tutorial for beginners that explains how to track network activity, tcp, ip and http packets. Simply open Wireshark and select the rvi0 interface: Apr 1, 2010 · 20. tcpdump -s0 -w /sdcard/emulator. It is used for the following terms, To capture network packets and displayed that packet data. Mar 14, 2018 · Navigate to Wireshark’s download page & select Windows 32 or 64-bit. This is very important when it comes to monitoring. Skill IQ. With the dump file open in Wireshark, go to View→Name Resolution and make sure "Enable for Network Layer" is checked. You can now monitor network traffic and even capture netw Aug 24, 2017 · Open Wireshark GUI and select network interface to listen for data. Yet if you want to break the TLS/SSL encryption, you need the private key for the server cert, capture the whole TLS/SSL session and force client (or server) to use a TLS/SSL key exchange w/o PFS, as then Wireshark can actually decrypt the TLS/SSL packets and show you the raw, decrypted content of data sent/received. Then get to the filters of the wireshark and type . 8k 10 39 237. You would not be able to see live traffic this way of course. Wireshark. pcap. But if you need to have graphic views of the traffic or monitor network performance, you need to buy Pilot which is a powerful analyzing tool. app/cwlshopHow to Use Wireshark to See Phone TrafficFull Tutorial: https://nulb. Step 1: Are you allowed to do this? Step 2: General Setup. 129 to filter only traffic to your sql server. Here source port and destination port both are on the same switch. This monitor mode can dedicate a port to connect your (Wireshark) capturing device. On the main page, select your network card hooked to the wifi network. In the packet detail, opens all tree items. 4) Now check for the first occurrence of HTTP/1. You can select one or more of the network interfaces using shift+left-click. Oct 9, 2018 · Thanks for the link, it was useful to see, although my setup is different it still does help. If you are only trying to capture network traffic between the machine running Wireshark or TShark and other machines on the network, are only interested in regular network data, rather than 802. Use 127. This free Wireshark tutorial will teach you how to capture, interpret, filter and inspect data packets to effectively troubleshoot. The configuration window will show up. This tutorial covers the basics of Wireshark features, filters, color-coding, statistics, and more. The software can then use the data to create various network performance reports. 11 wireless networks (). Launch the application or process you wish to analyze. Right click on column header in the massage table and select Add columns Add TDS > SQLBatch > SqlBatchPacketData > SQLText. " To add the network key, click "Edit" next to "Decryption keys" to open the window to add passwords and PSKs. Usually, there are two capturing modes: promiscuous and monitor. Nov 4, 2021 · 23805 4 953 227 https://www. In this tutorial, we saw how to monitor network traffic on a Raspberry Pi system. Aug 29, 2019 · It will help you figure out the source and destination ports the app is using. addr==192. An example to capture SQL Server traffic would be: host <sql-server-ip> and port <sql-server-port>. I was thinking of using an old Shuttle PC with dual network cards inline to watch all packets and do the trace that way, plus it would be useful in the future if we need to watch network traffic. 11) capture setup" page of the Wireshark Wiki for information on how to capture in monitor mode (OS vendors seem to Sample NTML handshake between SDP Server and client : Steps to capture relevant data : 1) Set the filter as ip. Click on the red pause icon to halt the capture. Dec 6, 2019 · Earn $$. Ethernet WiFi. e. DNS Monitoring (Pi-Hole) One of the most famous uses for a Raspberry Pi is as a Pi-hole. On-Demand Wireshark Training: Foundational TCP Analysis with Wireshark; Foundational TCP Analysis with Wireshark; Troubleshooting Slow Networks with Wireshark; Identify Common Cyber Network Attacks with Wireshark; Udemy: Getting Started with Wireshark - The Ultimate Hands-On Course Private Wireshark Training - Anywhere in USA and Latin America. addr == 192. $ wireshark -k -i /tmp/remote. The program should be able to listen on any port without disrupting network traffic. The Wifi router has a built-in network switch that only sends data to those devices the data belongs to. We will learn how the capture driver is installed, how to configure inter Oct 22, 2021 · Click on the Start button to capture traffic via this interface. Click the “Start capture” button (often resembling a shark fin) to initiate the process. The app is in early Beta. Wireshark, formerly known as Ethereal, is one of the most powerful tools in a network security analyst's toolkit. When you connect to a VPN, the software creates a virtual network interface, assigns it an IP address, and Oct 14, 2021 · In this video we are going to learn that how to capture network traffic. You'll find "Edit" in the menu bar along the top of the Wireshark window. 38 is the PC IP. app/z4m @Sibish It works for all network packets. Feb 15, 2021 · To do this, select the interface name and click on the blue shark fin icon. Here is an article explaining it. Go to "Show the capture options". Then click “Capture Options”. Follow the step-by-step instructions and save the data as a . The following will explain capturing on 802. Mode” says enabled, for the interface you want to use. The capture filter captures only certain packets, resulting in a small capture file. Using the switch management, you can select both the monitoring port and assign a specific port you wish to monitor. Wireshark is a network analyzer that lets you see what’s happening on your network. After the traffic capture is stopped, please save the captured traffic into a *. Ctrl+ ↓ or F8. Many managed switches give you the ability to export flows without needing a direct connection, allowing you to How to use Wireshark to Monitor Network Traffic - Wireshark is an open source and network packet analyser. Sep 29, 2023 · Read this Wireshark tutorial, and view its accompanying video to learn how to use the network protocol analyzer to gain visibility into network traffic. Another tool that can help developers analyze the traffic is the Wireshark iOS app. I used these commands on sw1 and I was able to capture traffic : Wireshark® is a network protocol analyzer. Feb 20, 2024 · Measuring total traffic. Aug 27, 2009 · Install your application in the container using the same way that you would install it in a real system. It can be pretty overwhelming. It's sometimes called 'port mirroring', 'port monitoring', 'Roving Analysis' (3Com), or 'Switched Port Analyzer' or 'SPAN' (Cisco). Once configured, we can start the capture in Wireshark and start receiving packets. (11 Apr '13, 18:36) Guy Harris ♦♦. To give some background, I would like to monitor web traffic from computers, but mainly iphones on our home network. If you haven’t changed the IP address then it’s likely to be 192. Security Search the TechTarget Network This tool lets you put your network traffic under a microscope, and then filter and drill down into it, zooming in on the root cause of problems, assisting with network analysis and ultimately network security. ”. Aug 19, 2023 · First, you need to make sure that Wireshark is capturing packets in promiscuous mode, then you can continue to monitor your network traffic. Mar 29, 2022 · Improve this question. May 17, 2017 · The following command would start a network sniff on the device and record the traffic to a pcap file: tcpdump -n -t -i rvi0 -q -A tcp -w out. Some intended purposes. goto Wireshark Capture->Options, a dialog box appears, click on the line rvi0 then press the Start button. 1:8888 as proxy address. Jan 29, 2020 · The syntax for capture filters is defined in the pcap-filter man page. 5. You can also do this by double-clicking on the interface name. Easier still: Your router may support packet capture by itself. Each packet gets routed to a specific network interface. It has a rich and powerful feature set and is world’s most popular tool of its kind. Go back to your Wireshark screen and press Ctrl + E to stop capturing. Network security engineers use it to examine security problems. Wireshark detects network issues quickly and lets system administrators troubleshoot network errors in real-time. Feb 22, 2012 · 74. link. 11) capture setup. In this article, we will look at it in detail. 11 management or control packets, and are not interested in radio-layer Dec 3, 2013 · 6. 192. The exact programming language is less interesting than the OS principle itself, so let's say that either C++ or Python would work just fine. ProxyCap forwards all Bluestack communication to HTTP proxy (in this case our proxy is Fiddler). Visit the URL that you wanted to capture the traffic from. Nov 20, 2023 · Alternative applications that vary in complexity are Wondershaper and OpenWrt. You’ll begin with the basics of network packet analysis before delving into using wireshark to analyze, visualize, and troubleshoot networks. The Capture may indicate the interface with traffic on it. This will usually be the interface where the Packet/s column is constantly changing, which would indicate the presence of live traffic). cap -avd my_avd to write all the emulator's traffic to a local file on your PC. You should see a list of network packets taken during this process. Thanks for the advice. Expand the Transmission Control Protocol section of the [SYN] packet, and then expand the Flags section. Enable routing on your PC (easier on Linux) Become the DHCP server (disable on actual router, install one on your PC), advertise your PC as the router. Mar 27, 2020 · If you're not capturing in monitor mode, you won't see unicast packets, such as streaming traffic, to or from that machine; you'll only see broadcast traffic - such as ARP requests. Filter for HTTP Traffic: To focus specifically Jul 11, 2012 · I am interested in figuring out how to go about writing a program like wireshark. Confirm that the Syn bit is set to 1, and then May 20, 2024 · If you want to use your router to monitor network traffic then you first need to find your router’s local IP address. accept rate: 15%. I used a crossover CAT6 cable from the other computer to the Wireshark laptop. In order to make use of an IO graph, select a packet and click on “IO Graph” under “Statistics. The full step-by-step guide, how to redirect the Bluestack application traffic through proxy, is HERE. Next set Display filter : This example filters all traffic for specific IP address of a test device: ip. Use a dual nic machine inline between our PBX and the phones on the switch. His or her instructor probably thinks enabling promiscuous mode is sufficient. Once selected, click on "Protocols. By default, Wireshark captures all traffic on the selected network adapter. Sep 29, 2008 · A source port, also called a monitored port, is a switched or routed port that you monitor for network traffic analysis. Best solution is to connect directly to the router or mirror on one port of the switch the rest of the ports. 8downloads. Aug 28, 2020 · 2. Just tell Wireshark to monitor the VPN interface, not the actual Ethernet/WiFi one. Mar 4, 2012 · You can find the UDID of your iOS device via iTunes (make sure you are using the UDID and not the serial number). Mar 16, 2010 · There are two ways to capture network traffic directly from an Android emulator: Copy and run an ARM-compatible tcpdump binary on the emulator, writing output to the SD card, perhaps (e. How To Set Up a Capture. We will learn about basics of Wireshark from its installation to the use of filters Once the page finished loading on the phone, press the "Stop" icon in Wireshark, and save the capture file somewhere safe, called something like "Capture_LJ. Analyzing network traffic with Wireshark on Raspberry Pi Closing Thoughts. asked Mar 29, 2022 at 5:00. Jun 1, 2020 · Choose the right network interface to capture packet data. X , then you try to printer you will able to see all in/out traffic from your PC to your printer Feb 11, 2023 · A good option is to install network monitoring software. Wireshark has display filters and capture filters. addr == <client ip address>. 134, and aren't interested in packets to that address, the filter would be src host 192. 3. Dec 3, 2021 · For Mac and Linux, run ip r. 2. src == X. Oct 13, 2022 · After starting Wireshark, do the following: Select the interface on which packets need to be captured. See Wireshark, monitor certain process/task or prevent ordinary packets be monitored, How to capture network Select a [SYN] packet in your capture. 0. However as the above answer said, there is some freeware you can use instead of Wireshark. 38 && ip. We have added a toolbar in WireShark that allows to Same Switch, good method If both computers are on the same network switch, and the switch is managed, it is probably possible to configure it to span/mirror/monitor (the terms change with vendor) traffic for Computer B's port onto Computer A's port. Unless all four handshake packets are present for the session you're trying to decrypt, Wireshark won't be able to decrypt the traffic. Run tcpdump over ssh on your remote machine and redirect the packets to the named pipe: Oct 25, 2021 · TIP #1 – Inspect HTTP Traffic. When prompted with the License Agreement, select "I Agree”. 11," and then click "Enable decryption. Start wireshark in your real system, go to capture > options . Nov 21, 2012 · When installed on Windows Vista or later (including Win7, Win8 and Win10) with option "Support loopback traffic ("Npcap Loopback Adapter" will be created)" selected, it will create an Npcap Loopback Adapter that can be selected in Wireshark so as to capture IPv4/IPv6 loopback traffic. 168. One way to achieve what you want is to use an arp poisoning tool, such as Ettercap. Then you can filter based on those. . wireshark. View packets being sent to and from your network connected devices, scan fo Apr 5, 2021 · Let's learn how to perform network traffic capture with Wireshark in this tutorial. After following the above steps, the Wireshark is ready to capture packets. 2) Make sure the packet sequence matches the image given below. I have been reading about the various capture setups, and not being computer savvy I'm a little lost. If it doesn’t, you’ll only see your own traffic. The network portion will display which source and destination ports and IP addresses any particular executable file is accessing. See Also. Most correspond to physical network cards; there's a "loopback" one for 127. Click start. Wireshark is the best network traffic analyzer and packet sniffer around. Apart from that similar questions and answers are easy to find using a search engine. dst == <client ip address>. Apr 2, 2024 · Capturing traffic with Wireshark. Mark Capture packets in monitor mode. This will act as a sort of "LAN-TAP", and will mirror all traffic flowing through the Router to that port. ip. Captured packets are sent to a PC using the Wireshark "SSH Remote capture" feature. WPA and WPA2 use keys derived from an EAPOL handshake, which occurs when a machine joins a Wi-Fi network, to encrypt traffic. addr==<TEST_DEVICE_IP_ADDRESS>. 1 as well. You should be able to Wireshark/tcpdump the information you require. You’ll also be immersed in network protocol analysis and using Wireshark on the command line. Launch your browser and go to any site you wish: Inspect HTTP Network Traffic. X. 134 or just src 192. cap ). 1. Choose the components you’d like to install & select "Next”. Oct 17, 2017 · Use Capture, Interfaces to choose the network interface that’s exhibiting problems, then click Start. See the "Linux" section of the "WLAN (IEEE 802. So I wrote the following code snippet to capture some tcp packets transmitted on my laptop: @staticmethod def get_packet_info(interface=None): """ Returns the size of the transmitted data using Wireshark. Launch Wireshark. Step 5: Capture traffic using a remote machine. This choice is under the capture->options menu in Wireshark. Navigate to "Edit" and click Preferences. In the window that will open you'll see all your interfaces. Now you will see all network traffic on the iOS device. May 23, 2017 · You can set a capture filter to only display traffic from a specific tcp port, which you can point to the port where your IIS is running. LAN card and Wi-Fi adapter) you may need to check with Mar 20, 2020 · Yes, just you need to specify the ip address of the printer by using this filter: ip. Start Capturing Traffic: Click on the “Start” or “Capture” button in Wireshark to begin capturing network traffic. Start wireshark from the command line. 16. Now, embark on Set WPA key in Wireshark's settings. We can then click on packets to see the payload data and what protocols are being used, as well as what hosts the connections are being established with. Depending on your router model (I assume you have a standard home ISP router), you should be able to mirror your Router's traffic into a particular LAN port on the device. We can get statistics of captured packets under Statistics > Capture File Properties in Wireshark. Jun 2, 2015 · 1. pcapnp". I had a similar problem that inspired me to develop an app that could help to capture traffic from an Android device. Aug 10, 2023 · In short, the above command will capture all traffic on the Ethernet device and write it to a file named tcpdump. Feb 24, 2015 · Sure. 1. Pi-hole gives you tons of useful network information, and provides you with DNS privacy, all while blocking ads! Credit: Pi-hole. ) FIGURE 2. Wireshark is famous for its powerful capability of capturing traffic and protocol analyzing. Jun 25, 2021 · Set static IP config on your PC. 2 Devices can either be WiFi or Ethernet but all are on the same network using the same router. if there is any personally identifying data) by using wireshark to analyze packets. Jul 2, 2018 · Hi. Capturing traffic is not a security specific question, i. Buy a dedicated LAN monitoring device. May 10, 2024 · In the packet detail, opens the selected tree items and all of its subtrees. Use ProxyCap to let Fiddler capture the trafic. Click the name of a network interface under Interface List in the Wireshark window that appears. Here are some reasons people use Wireshark: Network administrators use it to troubleshoot network problems. Oct 25, 2012 · 2. Wireshark Setup will appear – select "Next”. Let the installation file complete its download & then click on it. Nov 4, 2021 · Before I use it to actually communicate with others, I want to get a better understanding of all the data that's going in and out of the program (i. 10 My main laptop with Wireshark is 192. Learn What You Need to Get Certified (90% Off): https://nulb. Step 4: Capture traffic destined for machines other than your own. Create a named pipe: $ mkfifo /tmp/remote. Dec 6, 2019 · Go to the "Wireshark" drop-down menu and select the "Preferences" option. 135. It lets you capture and interactively browse the traffic running on a computer network. Open Wireshark and go to Capture → Interfaces. " Under Protocols, select "IEEE 802. Using a router, open browser and enter router IP address > Enter > locate Device List > Status, or Bandwidth or Network Monitoring. The switch supports any number of source ports (up to the maximum Mar 21, 2022 · Description:- Dear all learner in this video I will tech you what is network monitoring and what's are the importance of network monitoring. Click on the Start button to capture traffic via this interface. Aug 14, 2020 · Manish Shivanandhan. This path focuses on the skills and knowledge required to analyze network traffic using Wireshark. Clicking Preferences will open a new window. Here you will also learn how to filter the packets based on TCP/UDP/IP an Network traffic monitor for statistical or analytical usage. The filters to test for a single IP address are simple: If you only want to capture packets from a given IP address, such as 192. 134. One of the most widely used network monitoring and analysis tools, Wireshark is known for being a powerful tool for system administrators and IT professionals across the board. this. In a single local SPAN session or RSPAN source session, you can monitor source port traffic, such as received (Rx), transmitted (Tx), or bidirectional (both). Aug 11, 2020 · CaptureSetup/WLAN WLAN (IEEE 802. com/wireshark/Tired of undetected connections in your network? Try Wireshark. Apr 11, 2013 · 24. As you note, the instructor is mistaken, and should read the Wireshark Wiki article in question ("and the novice was enlightened"). 3) Now set the filter as ip. This packet is the first packet that the client sends to initiate a TCP connection. off-topic. You can use the display filter eapol to locate EAPOL packets in your capture. Check the box next to the interface connected to your Endura network. To create an IO graph, select “Statistics” then “IO Graph. Hi, I have a home router - 192. Step 3: Capture traffic "sent to" and "sent from" your local machine. Instead of choosing any, wlan0, eth0, choose the new virtual interface docker0 instead. Start the packet capture on your wireless interface (in Linux you should be putting your wireless device in Monitor mode to gather all packets) Force the target device to reassociate with the AP (turn wifi off/on, turn AP off/on, etc) Observe 4-way handshake with Wireshark (thanks to prev step) Do whatever Step 1. QA engineers use it to verify network May 9, 2014 · Select an interface to use with Acrylic Wi-Fi Sniffer and click on the configuration wheel as seen in the previous screenshot and configure both channels and bandwidth where the capture will be carried out. As my app uses an OS feature called VPNService to capture traffic, it does not require the root access. Use Wireshark. Nov 22, 2017 · 23805 4 953 227 https://www. This will save the packet capture into a temporary file and allow you to perform your analysis. To play the RTP audio stream of one or multiple calls from the VoIP List, select them from the list and then press the "Player" button: Choose an initial value for the jitter buffer and then press the "Decode button". Use Wireshark iOS App to Analyze Traffic. Choose the right location within the network to capture packet data. Ctrl+ ↑ Or F7. In the “Packet List” pane, focus on the Jul 10, 2012 · http://www. Please let me know if there's an easier way, or if I'm going about this the wrong way. g. This also helps with Wireshark filtering. (See figure 2, below. This article explains how to monitor network traffic Aug 19, 2022 · When you open Wireshark, you see a screen showing you a list of all the network connections you can monitor. With this option enabled your adapter will capture all Wi-Fi traffic it can hear, not only traffic intended for you. That will allow Wireshark on Computer A to see the traffic. 2 Some Intended Purposes Here are some examples of how Wireshark is typically used: Network administrators use it to troubleshoot network problems. select codec as Filter by type. Oct 1, 2018 · Learn how to download, install, capture and analyze packets with Wireshark, a free network analyzer tool. 1 is the router IP and 192. Ctrl+←. Wireshark will start capturing the incoming and outgoing packets for the selected interface. Select Capture, Stop when you have completed your analysis. Right-click the packet, select Follow, and then select TCP Stream. open Help -> About Wireshark window. For pattern analysis, trends and data flows, another option is to look at a sample of traffic or just the headers; this is where Netflow or sFlow /jFlow come into play. 1 I have a windows tablet PC - 192. org. Aug 23, 2021 · 101 3. Apr 2, 2024 · In Wireshark’s capture interface list, select the interface associated with your VPN. user1865775. Apr 20, 2020 · In this video, you'll learn how to use Wireshark to capture localhost traffic (127. pcap format file and attach it to your support ticket. Now, let's take a look at this dump. The problem you have is that an Ethernet switch is designed so that it learns the MAC addresses on each port and uses this to "route" Ethernet frames to the correct port based on their MAC May 11, 2024 · Step 3: Stopping the packet capture. We were able to generate the graph below. Once you’ve finished capturing traffic, end the tcpdump session with Ctrl+C. The software can monitor network traffic for months at a time. Aug 9, 2021 · since it is a switched network you might get into issues. 1) Oct 23, 2019 · These graphs can be used to determine traffic highs and lows. I also like to use the built-in Windows Resource monitor. You also have a capture filter field to only capture the network traffic you want to see. Type http in the filter box and click Apply. Ethernet Capture setup. Find you Wi-Fi adapter and double click it. Move to the next packet, even if the packet list isn't focused. If you have multiple network interface cards (i. To begin every subsequent tip, stop the live capture and edit the capture filter. Ctrl+→. I tried Bridge Connections but it didn't work. 12 I have another laptop - 192. Capture filters are set in Capture Options (ctrl-K). I need to do more searching on a TAP and a monitor port to understand more. Run emulator -tcpdump emulator. Wireshark is, perhaps, one of the best open source packet analyzers available today. On Linux and OSX you can achieve this by running tcpdump over ssh and having wireshark listen on the pipe. Developers use it to debug protocol Dec 27, 2017 · It worked. To stop capture packets, click on the red Stop Capture button. In Wireshark, go to Capture > Capture packets in promiscuous mode > OK > Shark Fin to begin, let it run, then press Stop ( square ). Wireshark automatically starts capturing packets, displaying them Mar 22, 2021 · Enter a session filter expression like *address == 10. Jun 23, 2023 · 1. Oct 14, 2008 · Published: 14 Oct 2008 20:25. To see the network traffic you need to redirect the traffic through your PC or alternatively use a network switch with dedicated TAP/MIRROR port, such ports can be configured to receive all network traffic that is received/sent Jun 18, 2012 · I encountered a situation where i had to monitor traffic on a switch port using wireshark as shown below: h1-----f1/1--SW1-----rest of network | f1/2 | PC wireshark. fg qc ax tz yc yf xo dm lh kc