Default gateway mac address wireshark. In the above example lets assume 192.

Default gateway mac address wireshark 11 and 172. The gateway, or the piece of hardware on a network that allows data to flow from one net-work to another, asks the ARP program to find a MAC address that matches the IP address. 1 (This is the default gateway IP address of the router ) Opcode: 1 Hardware type: Ethernet Hardware Mar 29, 2020 · which says that the MAC address for the IP address AAA. 168. May 8, 2022 · Knowing Default Gateway Mac Address. Address Resolution Protocol (ARP) is a protocol or procedure that connects an ever-changing Internet Protocol (IP) address to a fixed physical machine address, also known as a . 6 and portable 3. Dec 7, 2021 · What is the MAC address of the PC NIC? Type your answers here. Aug 4, 2011 · You can check that by looking up which IP adress is your default gateway address (assuming you're using windows: ipconfig in a cmd window). At the prompt on Node: H3, enter netstat -r to display the default gateway information. Jul 1, 2023 · Since the Router Advertisement sent from Router 1, Host-A sets its IPv6 default gateway to the link-local address of R1. 13/24 92:02:04:de:8b:ec d. Therefore, the MAC address information is stripped at the gateway. It can't reach it directly but it has a gateway that it knows it can reach directly over the LAN. So, this seems to be an internal (maybe documented or not) feature of the Aruba APs. How to Find a Source MAC Address in Wireshark. May 29, 2014 · If the destination IP address is on a different network segment, the sender's NIC uses the MAC address of the default gateway (router) to forward the packet. . 16. 112 is sending a QUIC packet to a machine with the IP address 10. The router examines the destination IP address and determines the appropriate outgoing interface and the MAC address of the next hop to forward the packet. The default gateway receives the packet, strips the Layer 2 frame information from the packet and then creates a new frame header with the MAC address of the next hop. Every few seconds, i see the gateway sending out arp requests to sequential ip addresses that dont even exist on the network. Check whether the gateway’s physical address matches some of the “Source” and May 14, 2014 · If several systems ask for the MAC address of the same IP address, that 'could' be the default gateway. 2 & 3 /22 (2 core switches) and default gateway for vlan 1361 is 10. In the above example lets assume 192. I know that in Linux route -n will give an output from which I can easily retrieve this information. The ARP cache of MAchine B would need to be poisoned, changing the entry for the default gateway to 00-01-02-AA-BB-CC. With PCAP file, fine the Mac address of default gateway; Find similar ARP response from some machines telling IP of gateway, but with a different mac address. However this is not working in Mac OSX(Snow Leopard). DDD is XX:YY:ZZ:UU:VV:WW; if the MAC address you have for the router is XX:YY:ZZ:UU:VV:WW, you now know one of the IP addresses of the router, in addition to the MAC address you already knew. cpl" in the Windows search, which will bring you here: Right click the connection, go to 'Status': Then, go to details: And write down the value listed in "Physical Address". In this example, this PC host IP address is 192. In the DHCP responses, the gateways address that is provided is 10. A source MAC address is the address of the device sending the packet, and you can usually see it in the packet’s Ethernet header. 147 and the default gateway has an IP address of 192. I need to retrieve the default gateway on a Mac machine. In a command prompt window, enter ipconfig /all, to the IP address of your PC interface, its description, and its MAC (physical) address. You can do this using the etharp_request function. Find the IP address of the local router or default gateway that your computer uses to reach the rest of the Internet using the netstat / route command. e. When a ping is issued to a remote host,the source will use the default gateway MAC address for the frame destination. 8 from your PC and find out the next hop IP address, that would be your next hop (gateway IP address) IP address, after that, issue command arp -a, and see that IP address mapped to which MAC address and that MAC address is the next hop (gateway). What is significant about the contents of the destination address field? All host on the LAN will receive this broadcast frame, the host with the IP address of 192. 1, x. E. Devices typically talk to that when they're doing things such as sending an ARP request to find another device or the default-gateway of the subnet. The default gateway receives the packet,strips the Layer 2 frame information from the packet and then create a new frame header with the MAC address of the next hop. Why has the destination IP address changed, while the destination MAC address remained the same? Layer 2 frames never leave the LAN. 26. The interface of Wireshark is very intuitive, divided into three windows from top to bottom. Feb 13, 2023 · None of them made any difference to the problem. Ģ Using a Raspberry Pi set up as an Jun 7, 2021 · OS: W10 64 bit Command prompt ran as admin Wireshark ran as admin Wireshark versions tested: local install of 3. but i dont know how to find the device ip and Mac id in the capture. Then that router will do the same to find its "next hop". 10 want to send a packet to 8. This should contain the MAC address of your default gateway. Unless your computer NIC has an IP address in that same subnet then you probably won't be able to reach the camera's wired IP address. For those who aren’t familiar, the gateway address is the IP of whatever modem, router, or switch the computer is using the access the internet, hence, it’s the gateway to the outside world. The second line in the packet details pane shows that it is an Ethernet II frame. default gateway MAC address for the frame destination. 2. Stop the This reply contains the MAC address of the NIC of the default gateway. Identify which frames were sent by the default gateway and and which frames were sent to the default gateway. An IDS installed on the network perimeter sees a spike in traffic during off-duty hours and begins logging and alerting. But, Host-A must confirm that the auto-generated address is unique, Host-A will perform the Duplicate Address Detection (DAD) process. a. Sep 23, 2024 · When a ping is issued to a remote host, the source will use the default gateway MAC address for the frame destination. The Wireshark OUI lookup tool provides an easy way to look up OUIs and other MAC address prefixes. Feb 9, 2021 · To Find the MAC Address: Open a Command Prompt -> type ipconfig /all and press Enter-> The Physical Address is the MAC address. 3 addresses you are referring to. 246). Apr 21, 2024 · During the capture, focus on the ARP (Address Resolution Protocol) packets which should reveal the MAC address of the default gateway. When a ping is issued to a remote host, the source will use the default gateway MAC address for the frame destination. 2 & 3 /22. But how does it still be sent to deleted gateway? Aug 26, 2020 · As @grahamb mentioned, the MAC address could belong to the gateway, but if you want to know what IP address is associated with that MAC address, I'd recommend checking your arp cache. 110. You can then check which mac address is listed for your gateway address with "arp -a" (also in the cmd window). Apr 17, 2020 · The destination should be your default gateway MAC address and the source should be your MAC address. What is the IP address of the default gateway for the host H3? The reply has the MAC address of the network card of the default gateway. Another use of a broadcast is DHCP. 1 and 10. It's the ARP table. You can sort DNS Querries to look in to Hostname to IP Resolutions. 1) Oct 21, 2020 · The phone on the desk is in vlan 1361. Mar 7, 2010 · MAC addresses for remote hosts are not known on the local network, so the MAC address of the default-gateway is used. The default gateway will route the packet to the Internet. Feb 21, 2016 · Locate the default gateway IP address used in the ping command above and note the Physical Address of the default gateway. This process continues from router to router until the packet reaches its destination IP address. ARP is to find out the target(May be your default gateway) MAC Address to send the packets out, be it google or facebook or xyz. The receiving station can derive the MAC from the Ethernet frame. 20. 105/24, mac address is 33. Nov 1, 2020 · The Default Gateway receives the packet, strips the Layer 2 frame information from the packet and then creates a new frame header with the next hop’s MAC address. From the Wireshark capture, record the MAC address of your default gateway. Tuy vậy thì với người bình thường có thể không hiểu rõ Default Gateway là gì? Vậy Default Gateway là gì? Tại sao cần sử dụng Default Gateway? Làm cách để kiểm tra Default Gateway. D. Following is just for example. 1 (default gateway) will send a unicast reply to the source (PC host). This PC host IP address is 192. duplicate-address-detected; Not Jan 23, 2018 · Use ipconfig to display the default gateway address. Observe the Type field. BBB. d. The router strips the frame, the routes the resulting packet to a PPP connection to an ISP router. Notice that the source address is the default gateway IP address. , if I wanted to sell Ethernet NICs I'd have to request a range of MAC addresses which I could use in my NICs. Notice that the type is 0x0800, indicating IP. Note, Figure 3: Finding the computer’s Ethernet address with ifconfig(Mac) 2. 30/24, mac address is 11. Usually Wireshark show these as duplicate IP address detected for IP of default gateway. Mar 7, 2010 · Why does Wireshark show the actual MAC address of the local hosts, but not the actual MAC address for the remote hosts? MAC addresses for remote hosts are not known on the local network, so the MAC address of the default-gateway is used. Typically, Wireshark has a built-in feature that automatically resolves OUIs to their associated manufacturers. (I am assuming that your static configuration has default gateway 192. May 21, 2010 · The gateway will show up in your table as one MAC address with lots of IP addresses. Be sure to select an IPv6 address. 1 is the gateway and has a MAC address of 00:0c:29:43:c6:d6 . Jun 27, 2022 · Layer 2 frames never leave the LAN. C. Just have the applet connect back to your server. 24 is the host-B ip address now since restarted (But host-A is still 10. 136. Jun 24, 2022 · MAC addresses for remote hosts are not known on the local network, so the MAC address of the default-gateway is used. May 2, 2023 · Find the default gateway’s IP address used in the command prompt and view its physical address. 1 in this example. 2/. Here, we’ll show you how to find a source MAC address and destination MAC address in Wireshark. You can use arp -a to confirm. However you said AP, so here we go: Connect the AP network interface (LAN) to a switch; Connect your sniffer PC to the same switch (same VLAN) Start Mar 11, 2016 · To filter out a mac address in Wireshark, make a filter like so: not eth. i have taken packet capture by connecting one end of lan cable with my windows laptop and another end with my access point Ethernet port to get the detail of the device. addr==F4-6D-04-E5-0B-0D To get the mac address, type "ncpa. Finding the MAC address in Wireshark is relatively easy. Compare your default gateway's physical address to the Source and Destination fields in the captured traffic. Note the Default Gateway displayed. Lets say: 172. The packet capture will display all traffic intended for the laptop. Apr 7, 2017 · You can issue tracert 8. 1. 50. Part 2: Use Wireshark to Capture DNS Queries and Responses Jun 25, 2019 · The Default Gateway receives the packet, strips the Layer 2 frame information from the packet and then creates a new frame header with the next hop’s MAC address. The first half of the MAC address, the OUI, can be used to determine the manufacturer. 255 is a broadcast address. Jul 1, 2010 · In a Command Prompt window, ping the default gateway to test the connectivity to the default gateway address that was identified in the previous step. Directions: Type or paste in a list of OUIs, MAC addresses, or descriptions below. Now Host-A has a global unicast address and a default gateway. Why has the destination IP address changed, while the destination MAC address remained the same? - Layer 2 frames never leave the LAN. Dec 27, 2016 · It looks like the 1. PPP doesn't use MAC addresses, so the new frame doesn't have a MAC address at all. The packet capture will provide the MAC addresses of other machines connected to the switch. After the ping command ends, stop the capturing, and let’s get familiar with Wireshark’s main interface. The first packet is sent to MAC address 00:00:5e:00:01:02 which belongs to the deleted default gateway 10. Oct 7, 2022 · The associated MAC Address is a router/gateway. C:&amp;gt; ipconfig /all Ethernet adapter Ethernet: Connection-specific DNS Suffix. 29. You should be able to use the netstat command (“netstat –r” on Windows, Mac and Linux, may require ctrl-C to stop). Step 3: Examine Ethernet frames in a Wireshark capture. Nov 16, 2018 · Method 1: The Back of the Gateway. Navigate to a Command Prompt window, type ipconfig /all at the prompt. You can click the greater than (>) sign at the beginning of the second line to obtain more information about the Ethernet II frame. Please Subscribe to my Channel. Nov 2, 2020 · Note: The DNS IP address and default gateway IP address are often the same, especially in small networks. Reflection Question Why does Wireshark show the actual MAC address of the local hosts, but not the actual MAC address for the remote hosts? It does not show the mac address because it is unknown so the default-gateway mac address is used. Oct 5, 2022 · Tampilan Wireshark 1. 3. This process repeats as the packet travels from router to router until it finally reaches its intended destination IP address. That is almost certainly a gateway's IP address. After the packet reaches the default-gateway router, the Layer 2 information is stripped from the packet and a new Layer 2 header is attached with the destination MAC address of the next hop router. However, it could be a local busy server as well, unless the IP address is one of the 'typical' gateway addresses x. Where did the router change the MAC address? – Oct 20, 2023 · This line displays the length of the frame. 0. 10. If 192. In this video, we will learn How to find the MAC Address of Default Gateway. It is verified by the receiver. 36. When I see the ethernet tab under conversations, I can see the corresponding MAC addresses. You can ctrl-c when Aug 21, 2022 · Hardware (MAC) Source Address: 28:c6:3f:d1:61:b8 Hardware (MAC) Destination Address: 00:00:00:00:00:00 ( Since we don’t know the MAC address of destination) Protocol (IP) Source Address: 172. You'll see it as FF:FF:FF:FF:FF:FF in the MAC address on your captures. e. Nov 16, 2024 · Layer 2 frames never leave the LAN. 1 and the default gateway has an IP address of 192. Oct 12, 2016 · For example, you have a router connected to an ethernet LAN, and it receives a frame with a MAC address. Open a Windows command prompt. The default gateway receives the packet, strips the Layer 2 frame information from the packet and then creates a new frame header with the MAC address of the Mar 7, 2010 · When you ping the website it returns the Mac address of the default gateway lan interface. Is there any particular use of separately including the sender MAC address in ARP Request too ?. The filter for this is: arp. The MAC and Default GW are system specific things you could get via external programs, but I'm not 100% sure those are supported in the applet sandbox (in fact, they're probably not supported). When you configure an IRB interface with a virtual gateway address (VGA), the device creates a default Layer 3 virtual gateway with the specified IP address. 1 instead of the . Observe the Source field. Next to it you'll see the MAC address. Host-interface IP Address MAC Address H3-eth0 10. Jun 22, 2024 · The Default Gateway then receives the packet, removes the Layer 2 frame information and generates a new frame header with the MAC address of the next hop. 255. of the next node that will receive the packet, the host first checks if the destination IP address is within one of the local networks that it belongs to. As mentioned 255. Sep 15, 2011 · If you find yourself needing to know what the default gateway address is for a Mac, you can uncover this information in a few ways from OS X. 4. CCC. Jan 16, 2022 · I can think that maybe it was the duplicate IP address detection, like the device thought it's IP was already in use since it was seeing ARP probes for its own IP address. Press Enter, or click on the Command Prompt shortcut. 5 I start the wireshark capture and then proceed to run a few arp -a requests in command prompt so I can analyze the traffic in wireshark. 1. You can then read the ARP table to obtain the MAC address of the gateway (router). Reflection Question Wireshark does not display the preamble field of a frame header. Your router will use ARP to lookup the MAC address of that default gateway. It uses the Wireshark manufacturer database, which is a list of OUIs and MAC addresses compiled from a number of sources. Observe the Source address. Look at the ethernet layer for the echo request destination MAC. However, when I go to wireshark the ARP protocol traffic does not appear. Question: What type of frame is displayed? Type your answers here. Click Start or click in the search box and type cmd. ARP is Cite: One MAC address is the original MAC address of the laptop and the other MAC address is a phantom address starting with 02:. Address Source Address Frame Type Data FCS 8 Bytes 6 Bytes 6 Bytes 2 Bytes 46 – 1500 Bytes 4 Bytes Step 2: Examine the network configuration of the PC. For this lab, you will need to retrieve your PC IP address and its network interface card (NIC) physical address, also called the MAC address. Apr 2, 2022 · 1. It doesn't care what webpage it is. 13 MAC addresses are (generally) hard coded into a device which makes them useless for routing information on the Internet. What is the MAC address of the PC NIC? Type your answers here. In addition, the XX:YY:ZZ part might help you determine who made the router. An applet can open an http connection to the server that hosts it. 8 (or any IP not in 192. @rsheeler: indeed. g. Mar 21, 2011 · The IP Address? sure thing. 192. It seems to be redundant. However, in a business or school network, the addresses would most likely be different. 6 Protocol (IP) Destination Address: 172. It ensures target mac address is stuffed in Ethernet Header of a packet. Note which network adapter that the PC is using to access the network. If you don't have an IPv6 default gateway, just review the following instructions for content understanding. C:\Users\Student> ipconfig /all The camera is trying to find its default gateway to send traffic to but isn't getting a response. It does an ARP request to find out the MAC address of the default gateway, and then sends the packet to that MAC address, assuming that the gateway will handle its further delive Jul 29, 2014 · Still not a straightforward answer, because I don't know the whole network You have, but You could possibly use Ethernet (MAC) addresses to get to know through which router the packet went. (For Linux and MAC OS, use the command ping -c 4 192. Jan 12, 2018 · I downloaded wireshark and captured with only 1 pc connected via ethernet, disabled the wifi and disconnected the telephone line that feeds the gate way. Use ping <default gateway address> to ping the default gateway IPv6 address. Using the /etc/ethers file to resolve names to your mac addresses makes it easy to spot things when analysing a packet capture. It could be that how you have it connected is preventing that from happening. Jul 25, 2022 · So the machine with IP address 192. Question 4 (10 pts): submit a screenshot that shows your default gateway, a screenshots that shows the IP address of the Windows machine, and a screenshot that shows you use Wireshark to captures all the ARP packets. Finally, run "arp -a" and find the gateway IP. Question: What device and MAC address is displayed as the destination address? Device: PC NIC MAC Address: 18:47:3d:8f:1f:ef your answers here. Jul 21, 2012 · Here is a wireshark capture of an ARP request PNG image, I contains the sender MAC inside the ARP packet. If you want to do it with Wireshark, ping the gateway and capture the ICMP packets. Default gateway for vlan 1401 is 10. Jun 15, 2022 · Ans. Apr 30, 2023 · Information-systems document from Valencia College, 8 pages, Lab - Using Wireshark to Examine a UDP DNS Capture Topology Objectives Part 1: Record a PC's IP Configuration Information Part 2: Use Wireshark to Capture DNS Queries and Responses Part 3: Analyze Captured DNS or UDP Packets Background / Scenario When you Jun 29, 2011 · As hangsanb alluded to, you can use Wireshark's Statistics -> Endpoints, then choose the Ethernet tab for a list of unique MAC addresses, and choose the IPv4 (or IPv6) tab for the list of unique IP addresses. Find the entry for 94:39:e5:85:c9:be, and you'll know what its IP address is. Notice that the source address is your IP address. The source and destination MAC addresses are also displayed. Basically: When a packet is transmitted within a subnet, the MAC address is used by the network to route it. x. 1 ) then it will send the packets to MAC address 00:0c:29:43:c6:d6 but have the destination IP address still be Mar 6, 2019 · When a host is sending to the same network, the destination layer-2 (MAC) address will be that of the destination host. When a ping is issued to a remote host, the source will use the Default Gateway's MAC address for the frame destination. Check if that computer is always the same. The ARP cache is dynamic, but users Feb 14, 2024 · Layer 2 frames never leave the LAN. Then the gateway receives the packet, removes the layer 2 information from the packet and creates a new frame with the MAC address of the next Dec 14, 2024 · Start Wireshark on Server B, then execute the ping command to communicate with A. 11. Instead, maybe somehow the network video recorder was replacing the MAC address for the correct default gateway with the 3850's MAC after receiving the device tracking GARP. Jul 14, 2018 · Update: add the layer II information of Wireshark below. Your PC wants to send a packet to a different subnet. Layer 2 frames never leave the LAN. However, you should see the MAC and/or IP for your computer's NIC, the default gateway or switch, and then either the IP or Host Name for the computer it wants information on. 33. Nov 3, 2014 · This should contain your MAC address. What does the preamble contain? Oct 16, 2024 · Layer 2 frames never leave the LAN. Record your PC interface’s IPv4 address and MAC address (Physical Address). This should contain your MAC address. To show the MAC address column in Wireshark, you can go to Edit -> Preferences, select the “Columns” tab, and then for the “Source” and Then, it looks in its MAC address table for the MAC address that corresponds to the IP address of that interface. A filter has been applied to Wireshark to view the ARP and ICMP protocols The IPv4 address of the default gateway The link-local IPv6 address of the Windows host You want to test a number of banking and social media sites to determine if they encrypt user login credentials or leave them in plain text as a network security measure. Mar 23, 2024 · Showing the MAC Address Column in Wireshark. The packet capture will provide only the MAC addresses of the laptop and the default gateway. The MAC address should be located on the back or on a sticker on the bottom of your gateway next to the power socket. Observe the Destination address. The packet that your machine received was sent from a machine that's probably a Dell machine, as Wireshark decoded the source MAC address as being one beginning with an OUI (which would be a vendor identification) that belongs to Dell, and is being sent to a a machine that's Mar 9, 2023 · This mapping procedure is important because the lengths of the IP and MAC addresses differ, and a translation is needed so that the systems can recognize one another. The packet capture will display all traffic intended for the default gateway. This MAC address range -> Vendor information is publicly available; Wireshark gathers this publicly available information into the manuf file Graham mentioned. 254, x. I started getting frequent disconnects, the worst lasting for 2, 4 or 6 hours exactly (the “2n” disconnects). What is the default gateway’s MAC address? Type your answers here. The default gateway receives the packet, strips the Layer 2 destination MAC addresses have reversed, because this frame was sent from the default gateway router as a reply to the first ping. The Default Gateway receives the packet, strips the Layer 2 frame information from the packet and then creates a new frame header with the next Mar 7, 2010 · Review the captured data in Wireshark and examine the IP and MAC addresses of the default gateway. I'm assuming we have an infested machine somewhere but how to locate when the mac address no where to be found? I don't think so. This reply contains the Mac address of the NIC of the Default Gateway. Wireshark will capture the communication process. 8. Why does the PC send out a broadcast ARP prior to sending the first ping request? The PC can’t ping until the MAC address is determined because a frame header must be built for the ping request. At the prompt on Node: h3, enter ip address to verify the IPv4 address and record the MAC address. Dari gambar diatas dapat kita lihat MAC address dari NIC PC adalah (e2:cd:bc:de:7b:8d) dan default gateway MAC address nya adalah (da:24:bb:cc:72:d8) dengan IP src 10. Why does the PC send out a broadcast ARP prior to sending the first ping request? Before the PC can send a ping request to a host, it needs to determine the destination MAC address before it can build the frame header for that ping request. It is likely that you will have observed an ARP transaction involving this MAC address address, so you can look for an IP address that aliases that MAC that also has the seen in ARP packet flag set. Every host on the LAN receives the broadcast frame. The Wireshark capture below shows the packets generated by a ping being issued from a PC host to its default gateway. Nov 29, 2021 · For this lab, you will need to retrieve your PC’s IPv4 address and the MAC address. Expand Internet Protocol Version 4 to view IP details. Every ethernet network device stores a mapping between the gateway's IP address and MAC address. The process continues from Observe the Destination field. See the image and file below. c. Start a Wireshark capture. The router will reply to your ARP request with its MAC address. Notice that the destination address is the Google web server IP address. Sep 23, 2024 · Layer 2 frames never leave the LAN. You probably want to disable name resolution to see the actual values instead of the resolved OUI's or domain names. 253, etc. Sep 15, 2020 · Layer 2 frames never leave the LAN. 140. machine. Oct 7, 2022 · I have a wireshark PCAP file, I want to find the MAC addresses and the private IP (local network IP address) of each of the devices in the network. With the If it was a router, it will be the default gateway for all connected clients, so the IP of the AP would be your default gateway (DOS box: route print) as soon as you are connected to the device. B. As for the second MAC address, i. Sep 14, 2018 · Hi friends, i need to find the device mac id and ip address of the access point. My question here is why i can not see in Wireshark, in Ethernet II section, destination Mac Address of default gateway, just Mac Address of destination IP address. 35 IP address is trying to find the router which is not replying to the ARP Broadcast ?? Any IP device will try to find the MAC address of the programmed default gateway using an ARP request. Notice that remote Internet layer traffic is processed as local Link layer traffic. In an Ethernet VPN (EVPN) centrally-routed bridging overlay, a device can function as a Layer 3 gateway on which you can configure integrated routing and bridging (IRB) interfaces. Feb 22, 2023 · Default Gateway là một thuật ngữ quen thuộc với những người yêu thích công nghệ, đặc biệt là dân IT. I also tried netstat -nr | grep 'default', but I was hoping for a cleaner output like that produced by route -n in Linux/Unix. Answer the following questions in your Lab-3-7-10--Answers-LASTNAME Answers document: o Q10: Record the IP Address of your default gateway. The ARP cache keeps a list of each IP address and its matching MAC address. Jan 17, 2014 · Your router has a set of routes setup to route traffic to your internal network, but it also has a Default Gateway which points to a router in your ISP's network. A host sending to a different network will use the destination layer-2 (MAC) address of its configured gateway because that is the destination on the same network. On Unix systems, just run arp and on Windows, run arp -a. ) Nov 16, 2018 · Method 1: The Back of the Gateway. Send an ARP request to the broadcast address asking for the MAC address of the router. The source will use the default gateway MAC for the frame destination. snae caha vufda gtzka lmkt mvo xpdh quft gixnl xwzysb